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snac2/html.c

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/* snac - A simple, minimalistic ActivityPub instance */
/* copyright (c) 2022 - 2024 grunfink et al. / MIT license */
#include "xs.h"
#include "xs_io.h"
#include "xs_json.h"
#include "xs_regex.h"
#include "xs_set.h"
#include "xs_openssl.h"
#include "xs_time.h"
#include "xs_mime.h"
#include "xs_match.h"
#include "xs_html.h"
#include "snac.h"
int login(snac *snac, const xs_dict *headers)
/* tries a login */
{
int logged_in = 0;
const char *auth = xs_dict_get(headers, "authorization");
if (auth && xs_startswith(auth, "Basic ")) {
int sz;
xs *s1 = xs_crop_i(xs_dup(auth), 6, 0);
xs *s2 = xs_base64_dec(s1, &sz);
xs *l1 = xs_split_n(s2, ":", 1);
if (xs_list_len(l1) == 2) {
logged_in = check_password(
xs_list_get(l1, 0), xs_list_get(l1, 1),
xs_dict_get(snac->config, "passwd"));
}
}
if (logged_in)
lastlog_write(snac, "web");
return logged_in;
}
xs_str *replace_shortnames(xs_str *s, xs_list *tag, int ems)
/* replaces all the :shortnames: with the emojis in tag */
{
if (!xs_is_null(tag)) {
xs *tag_list = NULL;
if (xs_type(tag) == XSTYPE_DICT) {
/* not a list */
tag_list = xs_list_new();
tag_list = xs_list_append(tag_list, tag);
} else {
/* is a list */
tag_list = xs_dup(tag);
}
xs *style = xs_fmt("height: %dem; vertical-align: middle;", ems);
xs_list *p = tag_list;
char *v;
while (xs_list_iter(&p, &v)) {
char *t = xs_dict_get(v, "type");
if (t && strcmp(t, "Emoji") == 0) {
char *n = xs_dict_get(v, "name");
char *i = xs_dict_get(v, "icon");
if (n && i) {
char *u = xs_dict_get(i, "url");
xs_html *img = xs_html_sctag("img",
xs_html_attr("loading", "lazy"),
xs_html_attr("src", u),
xs_html_attr("title", n),
xs_html_attr("style", style));
xs *s1 = xs_html_render(img);
s = xs_replace_i(s, n, s1);
}
}
}
}
return s;
}
xs_str *actor_name(xs_dict *actor)
/* gets the actor name */
{
char *v;
if (xs_is_null((v = xs_dict_get(actor, "name"))) || *v == '\0') {
if (xs_is_null(v = xs_dict_get(actor, "preferredUsername")) || *v == '\0') {
v = "anonymous";
}
}
return replace_shortnames(xs_html_encode(v), xs_dict_get(actor, "tag"), 1);
}
xs_html *html_actor_icon(snac *user, xs_dict *actor, const char *date,
const char *udate, const char *url, int priv)
{
xs_html *actor_icon = xs_html_tag("p", NULL);
xs *avatar = NULL;
char *v;
xs *name = actor_name(actor);
/* get the avatar */
if ((v = xs_dict_get(actor, "icon")) != NULL &&
(v = xs_dict_get(v, "url")) != NULL) {
avatar = xs_dup(v);
}
if (avatar == NULL)
avatar = xs_fmt("data:image/png;base64, %s", default_avatar_base64());
char *actor_id = xs_dict_get(actor, "id");
xs *href = NULL;
if (user) {
/* if this actor is a follower or being followed, create an
anchored link to the people page instead of the actor url */
if (follower_check(user, actor_id) || following_check(user, actor_id)) {
xs *md5 = xs_md5_hex(actor_id, strlen(actor_id));
href = xs_fmt("%s/people#%s", user->actor, md5);
}
}
if (href == NULL)
href = xs_dup(actor_id);
xs_html_add(actor_icon,
xs_html_sctag("img",
xs_html_attr("loading", "lazy"),
xs_html_attr("class", "snac-avatar"),
xs_html_attr("src", avatar),
xs_html_attr("alt", "")),
xs_html_tag("a",
xs_html_attr("href", href),
xs_html_attr("class", "p-author h-card snac-author"),
xs_html_raw(name))); /* name is already html-escaped */
if (!xs_is_null(url)) {
xs *md5 = xs_md5_hex(url, strlen(url));
xs_html_add(actor_icon,
xs_html_text(" "),
xs_html_tag("a",
xs_html_attr("href", (char *)url),
xs_html_attr("title", md5),
xs_html_text("»")));
}
if (priv) {
xs_html_add(actor_icon,
xs_html_text(" "),
xs_html_tag("span",
xs_html_attr("title", "private"),
xs_html_raw("🔒")));
}
if (strcmp(xs_dict_get(actor, "type"), "Service") == 0) {
xs_html_add(actor_icon,
xs_html_text(" "),
xs_html_tag("span",
xs_html_attr("title", "bot"),
xs_html_raw("🤖")));
}
if (xs_is_null(date)) {
xs_html_add(actor_icon,
xs_html_raw(" "));
}
else {
xs *date_label = xs_crop_i(xs_dup(date), 0, 10);
xs *date_title = xs_dup(date);
if (!xs_is_null(udate)) {
xs *sd = xs_crop_i(xs_dup(udate), 0, 10);
date_label = xs_str_cat(date_label, " / ", sd);
date_title = xs_str_cat(date_title, " / ", udate);
}
xs_html_add(actor_icon,
xs_html_text(" "),
xs_html_tag("time",
xs_html_attr("class", "dt-published snac-pubdate"),
xs_html_attr("title", date_title),
xs_html_text(date_label)));
}
{
char *username, *id;
if (xs_is_null(username = xs_dict_get(actor, "preferredUsername")) || *username == '\0') {
/* This should never be reached */
username = "anonymous";
}
if (xs_is_null(id = xs_dict_get(actor, "id")) || *id == '\0') {
/* This should never be reached */
id = "https://social.example.org/anonymous";
}
/* "LIKE AN ANIMAL" */
xs *domain = xs_split(id, "/");
xs *user = xs_fmt("@%s@%s", username, xs_list_get(domain, 2));
xs_html_add(actor_icon,
xs_html_sctag("br", NULL),
xs_html_tag("a",
xs_html_attr("href", xs_dict_get(actor, "id")),
xs_html_attr("class", "p-author-tag h-card snac-author-tag"),
xs_html_text(user)));
}
return actor_icon;
}
xs_html *html_msg_icon(snac *user, const xs_dict *msg)
{
char *actor_id;
xs *actor = NULL;
xs_html *actor_icon = NULL;
if ((actor_id = xs_dict_get(msg, "attributedTo")) == NULL)
actor_id = xs_dict_get(msg, "actor");
if (actor_id && valid_status(actor_get(actor_id, &actor))) {
char *date = NULL;
char *udate = NULL;
char *url = NULL;
int priv = 0;
const char *type = xs_dict_get(msg, "type");
if (xs_match(type, "Note|Question|Page|Article"))
url = xs_dict_get(msg, "id");
priv = !is_msg_public(msg);
date = xs_dict_get(msg, "published");
udate = xs_dict_get(msg, "updated");
actor_icon = html_actor_icon(user, actor, date, udate, url, priv);
}
return actor_icon;
}
xs_html *html_note(snac *user, char *summary,
char *div_id, char *form_id,
char *ta_plh, char *ta_content,
char *edit_id, char *actor_id,
xs_val *cw_yn, char *cw_text,
xs_val *mnt_only, char *redir,
char *in_reply_to, int poll)
{
xs *action = xs_fmt("%s/admin/note", user->actor);
xs_html *form;
xs_html *note = xs_html_tag("div",
xs_html_tag("details",
xs_html_tag("summary",
xs_html_text(summary)),
xs_html_tag("p", NULL),
xs_html_tag("div",
xs_html_attr("class", "snac-note"),
xs_html_attr("id", div_id),
form = xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", action),
xs_html_attr("enctype", "multipart/form-data"),
xs_html_attr("id", form_id),
xs_html_tag("textarea",
xs_html_attr("class", "snac-textarea"),
xs_html_attr("name", "content"),
xs_html_attr("rows", "4"),
xs_html_attr("wrap", "virtual"),
xs_html_attr("required", "required"),
xs_html_attr("placeholder", ta_plh),
xs_html_text(ta_content)),
xs_html_tag("p", NULL),
xs_html_text(L("Sensitive content: ")),
xs_html_sctag("input",
xs_html_attr("type", "checkbox"),
xs_html_attr("name", "sensitive"),
xs_html_attr(xs_type(cw_yn) == XSTYPE_TRUE ? "checked" : "", NULL)),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "summary"),
xs_html_attr("placeholder", L("Sensitive content description")),
xs_html_attr("value", xs_is_null(cw_text) ? "" : cw_text))))));
if (actor_id)
xs_html_add(form,
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "to"),
xs_html_attr("value", actor_id)));
else {
/* no actor_id; ask for mentioned_only */
xs_html_add(form,
xs_html_tag("p", NULL),
xs_html_text(L("Only for mentioned people: ")),
xs_html_sctag("input",
xs_html_attr("type", "checkbox"),
xs_html_attr("name", "mentioned_only"),
xs_html_attr(xs_type(mnt_only) == XSTYPE_TRUE ? "checked" : "", NULL)));
}
if (redir)
xs_html_add(form,
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "redir"),
xs_html_attr("value", redir)));
if (in_reply_to)
xs_html_add(form,
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "in_reply_to"),
xs_html_attr("value", in_reply_to)));
if (edit_id)
xs_html_add(form,
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "edit_id"),
xs_html_attr("value", edit_id)));
xs_html_add(form,
xs_html_tag("p", NULL),
xs_html_tag("details",
xs_html_tag("summary",
xs_html_text(L("Attachment..."))),
xs_html_tag("p", NULL),
xs_html_sctag("input",
xs_html_attr("type", "file"),
xs_html_attr("name", "attach")),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "alt_text"),
xs_html_attr("placeholder", L("Attachment description")))));
/* add poll controls */
if (poll) {
xs_html_add(form,
xs_html_tag("p", NULL),
xs_html_tag("details",
xs_html_tag("summary",
xs_html_text(L("Poll..."))),
xs_html_tag("p",
xs_html_text(L("Poll options (one per line, up to 8):")),
xs_html_sctag("br", NULL),
xs_html_tag("textarea",
xs_html_attr("class", "snac-textarea"),
xs_html_attr("name", "poll_options"),
xs_html_attr("rows", "4"),
xs_html_attr("wrap", "virtual"),
xs_html_attr("placeholder", "Option 1...\nOption 2...\nOption 3...\n..."))),
xs_html_tag("select",
xs_html_attr("name", "poll_multiple"),
xs_html_tag("option",
xs_html_attr("value", "off"),
xs_html_text(L("One choice"))),
xs_html_tag("option",
xs_html_attr("value", "on"),
xs_html_text(L("Multiple choices")))),
xs_html_text(" "),
xs_html_tag("select",
xs_html_attr("name", "poll_end_secs"),
xs_html_tag("option",
xs_html_attr("value", "300"),
xs_html_text(L("End in 5 minutes"))),
xs_html_tag("option",
xs_html_attr("value", "3600"),
xs_html_attr("selected", NULL),
xs_html_text(L("End in 1 hour"))),
xs_html_tag("option",
xs_html_attr("value", "86400"),
xs_html_text(L("End in 1 day"))))));
}
xs_html_add(form,
xs_html_tag("p", NULL),
xs_html_sctag("input",
xs_html_attr("type", "submit"),
xs_html_attr("class", "button"),
xs_html_attr("value", L("Post"))),
xs_html_tag("p", NULL));
return note;
}
static xs_html *html_base_head(void)
{
xs_html *head = xs_html_tag("head",
xs_html_sctag("meta",
xs_html_attr("name", "viewport"),
xs_html_attr("content", "width=device-width, initial-scale=1")),
xs_html_sctag("meta",
xs_html_attr("name", "generator"),
xs_html_attr("content", USER_AGENT)));
/* add server CSS */
xs_list *p = xs_dict_get(srv_config, "cssurls");
char *v;
while (xs_list_iter(&p, &v)) {
xs_html_add(head,
xs_html_sctag("link",
xs_html_attr("rel", "stylesheet"),
xs_html_attr("type", "text/css"),
xs_html_attr("href", v)));
}
return head;
}
xs_html *html_instance_head(void)
{
xs_html *head = html_base_head();
{
FILE *f;
xs *g_css_fn = xs_fmt("%s/style.css", srv_basedir);
if ((f = fopen(g_css_fn, "r")) != NULL) {
xs *css = xs_readall(f);
fclose(f);
xs_html_add(head,
xs_html_tag("style",
xs_html_raw(css)));
}
}
char *host = xs_dict_get(srv_config, "host");
char *title = xs_dict_get(srv_config, "title");
xs_html_add(head,
xs_html_tag("title",
xs_html_text(title && *title ? title : host)));
return head;
}
static xs_html *html_instance_body(char *tag)
{
char *host = xs_dict_get(srv_config, "host");
char *sdesc = xs_dict_get(srv_config, "short_description");
char *email = xs_dict_get(srv_config, "admin_email");
char *acct = xs_dict_get(srv_config, "admin_account");
xs *blurb = xs_replace(snac_blurb, "%host%", host);
xs_html *dl;
xs_html *body = xs_html_tag("body",
xs_html_tag("div",
xs_html_attr("class", "snac-instance-blurb"),
xs_html_raw(blurb), /* pure html */
dl = xs_html_tag("dl", NULL)));
if (sdesc && *sdesc) {
xs_html_add(dl,
xs_html_tag("di",
xs_html_tag("dt",
xs_html_text(L("Site description"))),
xs_html_tag("dd",
xs_html_text(sdesc))));
}
if (email && *email) {
xs *mailto = xs_fmt("mailto:%s", email);
xs_html_add(dl,
xs_html_tag("di",
xs_html_tag("dt",
xs_html_text(L("Admin email"))),
xs_html_tag("dd",
xs_html_tag("a",
xs_html_attr("href", mailto),
xs_html_text(email)))));
}
if (acct && *acct) {
xs *url = xs_fmt("%s/%s", srv_baseurl, acct);
xs *handle = xs_fmt("@%s@%s", acct, host);
xs_html_add(dl,
xs_html_tag("di",
xs_html_tag("dt",
xs_html_text(L("Admin account"))),
xs_html_tag("dd",
xs_html_tag("a",
xs_html_attr("href", url),
xs_html_text(handle)))));
}
{
xs *l = tag ? xs_fmt(L("Search results for #%s"), tag) :
xs_dup(L("Recent posts by users in this instance"));
xs_html_add(body,
xs_html_tag("h2",
xs_html_attr("class", "snac-header"),
xs_html_text(l)));
}
return body;
}
xs_html *html_user_head(snac *user)
{
xs_html *head = html_base_head();
/* add the user CSS */
{
xs *css = NULL;
int size;
/* try to open the user css */
if (!valid_status(static_get(user, "style.css", &css, &size, NULL, NULL))) {
/* it's not there; try to open the server-wide css */
FILE *f;
xs *g_css_fn = xs_fmt("%s/style.css", srv_basedir);
if ((f = fopen(g_css_fn, "r")) != NULL) {
css = xs_readall(f);
fclose(f);
}
}
if (css != NULL) {
xs_html_add(head,
xs_html_tag("style",
xs_html_raw(css)));
}
}
/* title */
xs *title = xs_fmt("%s (@%s@%s)", xs_dict_get(user->config, "name"),
user->uid, xs_dict_get(srv_config, "host"));
xs_html_add(head,
xs_html_tag("title",
xs_html_text(title)));
xs *avatar = xs_dup(xs_dict_get(user->config, "avatar"));
if (avatar == NULL || *avatar == '\0') {
xs_free(avatar);
avatar = xs_fmt("%s/susie.png", srv_baseurl);
}
xs *s_bio = xs_dup(xs_dict_get(user->config, "bio"));
int n;
/* shorten the bio */
for (n = 0; s_bio[n] && s_bio[n] != '&' && s_bio[n] != '.' &&
s_bio[n] != '\r' && s_bio[n] != '\n' && n < 128; n++);
s_bio[n] = '\0';
/* og properties */
xs_html_add(head,
xs_html_sctag("meta",
xs_html_attr("property", "og:site_name"),
xs_html_attr("content", xs_dict_get(srv_config, "host"))),
xs_html_sctag("meta",
xs_html_attr("property", "og:title"),
xs_html_attr("content", title)),
xs_html_sctag("meta",
xs_html_attr("property", "og:description"),
xs_html_attr("content", s_bio)),
xs_html_sctag("meta",
xs_html_attr("property", "og:image"),
xs_html_attr("content", avatar)),
xs_html_sctag("meta",
xs_html_attr("property", "og:width"),
xs_html_attr("content", "300")),
xs_html_sctag("meta",
xs_html_attr("property", "og:height"),
xs_html_attr("content", "300")));
/* RSS link */
xs *rss_url = xs_fmt("%s.rss", user->actor);
xs_html_add(head,
xs_html_sctag("link",
xs_html_attr("rel", "alternate"),
xs_html_attr("type", "application/rss+xml"),
xs_html_attr("title", "RSS"),
xs_html_attr("href", rss_url)));
return head;
}
static xs_html *html_user_body(snac *user, int local)
{
xs_html *body = xs_html_tag("body", NULL);
/* top nav */
xs_html *top_nav = xs_html_tag("nav",
xs_html_attr("class", "snac-top-nav"));
xs *avatar = xs_dup(xs_dict_get(user->config, "avatar"));
if (avatar == NULL || *avatar == '\0') {
xs_free(avatar);
avatar = xs_fmt("data:image/png;base64, %s", default_avatar_base64());
}
xs_html_add(top_nav,
xs_html_sctag("img",
xs_html_attr("src", avatar),
xs_html_attr("class", "snac-avatar"),
xs_html_attr("alt", "")));
if (local) {
xs *rss_url = xs_fmt("%s.rss", user->actor);
xs *admin_url = xs_fmt("%s/admin", user->actor);
xs_html_add(top_nav,
xs_html_tag("a",
xs_html_attr("href", rss_url),
xs_html_text(L("RSS"))),
xs_html_text(" - "),
xs_html_tag("a",
xs_html_attr("href", admin_url),
xs_html_attr("rel", "nofollow"),
xs_html_text(L("private"))));
}
else {
xs *n_list = notify_list(user, 1);
int n_len = xs_list_len(n_list);
xs_html *notify_count = NULL;
/* show the number of new notifications, if there are any */
if (n_len) {
xs *n_len_str = xs_fmt(" %d ", n_len);
notify_count = xs_html_tag("sup",
xs_html_attr("style", "background-color: red; color: white;"),
xs_html_text(n_len_str));
}
else
notify_count = xs_html_text("");
xs *admin_url = xs_fmt("%s/admin", user->actor);
xs *notify_url = xs_fmt("%s/notifications", user->actor);
xs *people_url = xs_fmt("%s/people", user->actor);
xs_html_add(top_nav,
xs_html_tag("a",
xs_html_attr("href", user->actor),
xs_html_text(L("public"))),
xs_html_text(" - "),
xs_html_tag("a",
xs_html_attr("href", admin_url),
xs_html_text(L("private"))),
xs_html_text(" - "),
xs_html_tag("a",
xs_html_attr("href", notify_url),
xs_html_text(L("notifications"))),
notify_count,
xs_html_text(" - "),
xs_html_tag("a",
xs_html_attr("href", people_url),
xs_html_text(L("people"))));
}
xs_html_add(body,
top_nav);
/* user info */
xs_html *top_user = xs_html_tag("div",
xs_html_attr("class", "h-card snac-top-user"));
if (local) {
char *header = xs_dict_get(user->config, "header");
if (header && *header) {
xs_html_add(top_user,
xs_html_tag("div",
xs_html_attr("class", "snac-top-user-banner"),
xs_html_attr("style", "clear: both"),
xs_html_sctag("br", NULL),
xs_html_sctag("img",
xs_html_attr("src", header))));
}
}
xs *handle = xs_fmt("@%s@%s",
xs_dict_get(user->config, "uid"),
xs_dict_get(srv_config, "host"));
xs_html_add(top_user,
xs_html_tag("p",
xs_html_attr("class", "p-name snac-top-user-name"),
xs_html_text(xs_dict_get(user->config, "name"))),
xs_html_tag("p",
xs_html_attr("class", "snac-top-user-id"),
xs_html_text(handle)));
if (local) {
xs *es1 = encode_html(xs_dict_get(user->config, "bio"));
xs *bio1 = not_really_markdown(es1, NULL);
xs *tags = xs_list_new();
xs *bio2 = process_tags(user, bio1, &tags);
xs_html *top_user_bio = xs_html_tag("div",
xs_html_attr("class", "p-note snac-top-user-bio"),
xs_html_raw(bio2)); /* already sanitized */
xs_html_add(top_user,
top_user_bio);
xs_dict *metadata = xs_dict_get(user->config, "metadata");
if (xs_type(metadata) == XSTYPE_DICT) {
xs_str *k;
xs_str *v;
xs_html *snac_metadata = xs_html_tag("div",
xs_html_attr("class", "snac-metadata"));
while (xs_dict_iter(&metadata, &k, &v)) {
xs_html *value;
if (xs_startswith(v, "https:/" "/"))
value = xs_html_tag("a",
xs_html_attr("href", v),
xs_html_text(v));
else
value = xs_html_text(v);
xs_html_add(snac_metadata,
xs_html_tag("span",
xs_html_attr("class", "snac-property-name"),
xs_html_text(k)),
xs_html_text(":"),
xs_html_sctag("br", NULL),
xs_html_tag("span",
xs_html_attr("class", "snac-property-value"),
value),
xs_html_sctag("br", NULL));
}
xs_html_add(top_user,
snac_metadata);
}
}
xs_html_add(body,
top_user);
return body;
}
xs_html *html_top_controls(snac *snac)
/* generates the top controls */
{
xs *ops_action = xs_fmt("%s/admin/action", snac->actor);
xs_html *top_controls = xs_html_tag("div",
xs_html_attr("class", "snac-top-controls"),
/** new post **/
html_note(snac, L("New Post..."),
"new_post_div", "new_post_form",
L("What's on your mind?"), "",
NULL, NULL,
xs_stock_false, "",
xs_stock_false, NULL,
NULL, 1),
/** operations **/
xs_html_tag("details",
xs_html_tag("summary",
xs_html_text(L("Operations..."))),
xs_html_tag("p", NULL),
xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", ops_action),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "actor"),
xs_html_attr("required", "required"),
xs_html_attr("placeholder", "bob@example.com")),
xs_html_text(" "),
xs_html_sctag("input",
xs_html_attr("type", "submit"),
xs_html_attr("name", "action"),
xs_html_attr("value", L("Follow"))),
xs_html_text(" "),
xs_html_text(L("(by URL or user@host)"))),
xs_html_tag("p", NULL),
xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", ops_action),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "id"),
xs_html_attr("required", "required"),
xs_html_attr("placeholder", "https:/" "/fedi.example.com/bob/...")),
xs_html_text(" "),
xs_html_sctag("input",
xs_html_attr("type", "submit"),
xs_html_attr("name", "action"),
xs_html_attr("value", L("Boost"))),
xs_html_text(" "),
xs_html_text(L("(by URL)"))),
xs_html_tag("p", NULL)));
/** user settings **/
char *email = "[disabled by admin]";
if (xs_type(xs_dict_get(srv_config, "disable_email_notifications")) != XSTYPE_TRUE) {
email = xs_dict_get(snac->config_o, "email");
if (xs_is_null(email)) {
email = xs_dict_get(snac->config, "email");
if (xs_is_null(email))
email = "";
}
}
char *cw = xs_dict_get(snac->config, "cw");
if (xs_is_null(cw))
cw = "";
char *telegram_bot = xs_dict_get(snac->config, "telegram_bot");
if (xs_is_null(telegram_bot))
telegram_bot = "";
char *telegram_chat_id = xs_dict_get(snac->config, "telegram_chat_id");
if (xs_is_null(telegram_chat_id))
telegram_chat_id = "";
char *ntfy_server = xs_dict_get(snac->config, "ntfy_server");
if (xs_is_null(ntfy_server))
ntfy_server = "";
char *ntfy_token = xs_dict_get(snac->config, "ntfy_token");
if (xs_is_null(ntfy_token))
ntfy_token = "";
char *purge_days = xs_dict_get(snac->config, "purge_days");
if (!xs_is_null(purge_days) && xs_type(purge_days) == XSTYPE_NUMBER)
purge_days = (char *)xs_number_str(purge_days);
else
purge_days = "0";
xs_val *d_dm_f_u = xs_dict_get(snac->config, "drop_dm_from_unknown");
xs_val *bot = xs_dict_get(snac->config, "bot");
xs_val *a_private = xs_dict_get(snac->config, "private");
xs *metadata = xs_str_new(NULL);
xs_dict *md = xs_dict_get(snac->config, "metadata");
xs_str *k;
xs_str *v;
while (xs_dict_iter(&md, &k, &v)) {
xs *kp = xs_fmt("%s=%s", k, v);
if (*metadata)
metadata = xs_str_cat(metadata, "\n");
metadata = xs_str_cat(metadata, kp);
}
xs *user_setup_action = xs_fmt("%s/admin/user-setup", snac->actor);
xs_html_add(top_controls,
xs_html_tag("details",
xs_html_tag("summary",
xs_html_text(L("User Settings..."))),
xs_html_tag("div",
xs_html_attr("class", "snac-user-setup"),
xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", user_setup_action),
xs_html_attr("enctype", "multipart/form-data"),
xs_html_tag("p",
xs_html_text(L("Display name:")),
xs_html_sctag("br", NULL),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "name"),
xs_html_attr("value", xs_dict_get(snac->config, "name")),
xs_html_attr("placeholder", L("Your name")))),
xs_html_tag("p",
xs_html_text(L("Avatar: ")),
xs_html_sctag("input",
xs_html_attr("type", "file"),
xs_html_attr("name", "avatar_file"))),
xs_html_tag("p",
xs_html_text(L("Header image (banner): ")),
xs_html_sctag("input",
xs_html_attr("type", "file"),
xs_html_attr("name", "header_file"))),
xs_html_tag("p",
xs_html_text(L("Bio:")),
xs_html_sctag("br", NULL),
xs_html_tag("textarea",
xs_html_attr("name", "bio"),
xs_html_attr("cols", "40"),
xs_html_attr("rows", "4"),
xs_html_attr("placeholder", L("Write about yourself here...")),
xs_html_text(xs_dict_get(snac->config, "bio")))),
xs_html_sctag("input",
xs_html_attr("type", "checkbox"),
xs_html_attr("name", "cw"),
xs_html_attr("id", "cw"),
xs_html_attr(strcmp(cw, "open") == 0 ? "checked" : "", NULL)),
xs_html_tag("label",
xs_html_attr("for", "cw"),
xs_html_text(L("Always show sensitive content"))),
xs_html_tag("p",
xs_html_text(L("Email address for notifications:")),
xs_html_sctag("br", NULL),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "email"),
xs_html_attr("value", email),
xs_html_attr("placeholder", "bob@example.com"))),
xs_html_tag("p",
xs_html_text(L("Telegram notifications (bot key and chat id):")),
xs_html_sctag("br", NULL),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "telegram_bot"),
xs_html_attr("value", telegram_bot),
xs_html_attr("placeholder", "Bot API key")),
xs_html_text(" "),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "telegram_chat_id"),
xs_html_attr("value", telegram_chat_id),
xs_html_attr("placeholder", "Chat id"))),
xs_html_tag("p",
xs_html_text(L("ntfy notifications (ntfy server and token):")),
xs_html_sctag("br", NULL),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "ntfy_server"),
xs_html_attr("value", ntfy_server),
xs_html_attr("placeholder", "ntfy server - full URL (example: https://ntfy.sh/YourTopic)")),
xs_html_text(" "),
xs_html_sctag("input",
xs_html_attr("type", "text"),
xs_html_attr("name", "ntfy_token"),
xs_html_attr("value", ntfy_token),
xs_html_attr("placeholder", "ntfy token - if needed"))),
xs_html_tag("p",
xs_html_text(L("Maximum days to keep posts (0: server settings):")),
xs_html_sctag("br", NULL),
xs_html_sctag("input",
xs_html_attr("type", "number"),
xs_html_attr("name", "purge_days"),
xs_html_attr("value", purge_days))),
xs_html_tag("p",
xs_html_sctag("input",
xs_html_attr("type", "checkbox"),
xs_html_attr("name", "drop_dm_from_unknown"),
xs_html_attr("id", "drop_dm_from_unknown"),
xs_html_attr(xs_type(d_dm_f_u) == XSTYPE_TRUE ? "checked" : "", NULL)),
xs_html_tag("label",
xs_html_attr("for", "drop_dm_from_unknown"),
xs_html_text(L("Drop direct messages from people you don't follow")))),
xs_html_tag("p",
xs_html_sctag("input",
xs_html_attr("type", "checkbox"),
xs_html_attr("name", "bot"),
xs_html_attr("id", "bot"),
xs_html_attr(xs_type(bot) == XSTYPE_TRUE ? "checked" : "", NULL)),
xs_html_tag("label",
xs_html_attr("for", "bot"),
xs_html_text(L("This account is a bot")))),
xs_html_tag("p",
xs_html_sctag("input",
xs_html_attr("type", "checkbox"),
xs_html_attr("name", "private"),
xs_html_attr("id", "private"),
xs_html_attr(xs_type(a_private) == XSTYPE_TRUE ? "checked" : "", NULL)),
xs_html_tag("label",
xs_html_attr("for", "private"),
xs_html_text(L("This account is private "
"(posts are not shown through the web)")))),
xs_html_tag("p",
xs_html_text(L("Profile metadata (key=value pairs in each line):")),
xs_html_sctag("br", NULL),
xs_html_tag("textarea",
xs_html_attr("name", "metadata"),
xs_html_attr("cols", "40"),
xs_html_attr("rows", "4"),
xs_html_attr("placeholder", "Blog=https:/"
"/example.com/my-blog\nGPG Key=1FA54\n..."),
xs_html_text(metadata))),
xs_html_tag("p",
xs_html_text(L("New password:")),
xs_html_sctag("br", NULL),
xs_html_sctag("input",
xs_html_attr("type", "password"),
xs_html_attr("name", "passwd1"),
xs_html_attr("value", ""))),
xs_html_tag("p",
xs_html_text(L("Repeat new password:")),
xs_html_sctag("br", NULL),
xs_html_sctag("input",
xs_html_attr("type", "password"),
xs_html_attr("name", "passwd2"),
xs_html_attr("value", ""))),
xs_html_sctag("input",
xs_html_attr("type", "submit"),
xs_html_attr("class", "button"),
xs_html_attr("value", L("Update user info")))))));
return top_controls;
}
static xs_html *html_button(char *clss, char *label, char *hint)
{
xs *c = xs_fmt("snac-btn-%s", clss);
/* use an NULL tag to separate non-css-classed buttons from one another */
return xs_html_container(
xs_html_sctag("input",
xs_html_attr("type", "submit"),
xs_html_attr("name", "action"),
xs_html_attr("class", c),
xs_html_attr("value", label),
xs_html_attr("title", hint)),
xs_html_text("\n"));
}
xs_str *build_mentions(snac *snac, const xs_dict *msg)
/* returns a string with the mentions in msg */
{
xs_str *s = xs_str_new(NULL);
char *list = xs_dict_get(msg, "tag");
char *v;
while (xs_list_iter(&list, &v)) {
char *type = xs_dict_get(v, "type");
char *href = xs_dict_get(v, "href");
char *name = xs_dict_get(v, "name");
if (type && strcmp(type, "Mention") == 0 &&
href && strcmp(href, snac->actor) != 0 && name) {
xs *s1 = NULL;
if (name[0] != '@') {
s1 = xs_fmt("@%s", name);
name = s1;
}
xs *l = xs_split(name, "@");
/* is it a name without a host? */
if (xs_list_len(l) < 3) {
/* split the href and pick the host name LIKE AN ANIMAL */
/* would be better to query the webfinger but *won't do that* here */
xs *l2 = xs_split(href, "/");
if (xs_list_len(l2) >= 3) {
xs *s1 = xs_fmt("%s@%s ", name, xs_list_get(l2, 2));
s = xs_str_cat(s, s1);
}
}
else {
s = xs_str_cat(s, name);
s = xs_str_cat(s, " ");
}
}
}
if (*s) {
xs *s1 = s;
s = xs_fmt("\n\n\nCC: %s", s1);
}
return s;
}
xs_html *html_entry_controls(snac *snac, const xs_dict *msg, const char *md5)
{
char *id = xs_dict_get(msg, "id");
char *actor = xs_dict_get(msg, "attributedTo");
char *group = xs_dict_get(msg, "audience");
xs *likes = object_likes(id);
xs *boosts = object_announces(id);
xs *action = xs_fmt("%s/admin/action", snac->actor);
xs *redir = xs_fmt("%s_entry", md5);
xs_html *form;
xs_html *controls = xs_html_tag("div",
xs_html_attr("class", "snac-controls"),
form = xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", action),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "id"),
xs_html_attr("value", id)),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "actor"),
xs_html_attr("value", actor)),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "group"),
xs_html_attr("value", xs_is_null(group) ? "" : group)),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "redir"),
xs_html_attr("value", redir))));
if (!xs_startswith(id, snac->actor)) {
if (xs_list_in(likes, snac->md5) == -1) {
/* not already liked; add button */
xs_html_add(form,
html_button("like", L("Like"), L("Say you like this post")));
}
}
else {
if (is_pinned(snac, id))
xs_html_add(form,
html_button("unpin", L("Unpin"), L("Unpin this post from your timeline")));
else
xs_html_add(form,
html_button("pin", L("Pin"), L("Pin this post to the top of your timeline")));
}
if (is_msg_public(msg)) {
if (strcmp(actor, snac->actor) == 0 || xs_list_in(boosts, snac->md5) == -1) {
/* not already boosted or us; add button */
xs_html_add(form,
html_button("boost", L("Boost"), L("Announce this post to your followers")));
}
}
if (strcmp(actor, snac->actor) != 0) {
/* controls for other actors than this one */
if (following_check(snac, actor)) {
xs_html_add(form,
html_button("unfollow", L("Unfollow"), L("Stop following this user's activity")));
}
else {
xs_html_add(form,
html_button("follow", L("Follow"), L("Start following this user's activity")));
}
if (!xs_is_null(group)) {
if (following_check(snac, group)) {
xs_html_add(form,
html_button("unfollow", L("Unfollow Group"),
L("Stop following this group or channel")));
}
else {
xs_html_add(form,
html_button("follow", L("Follow Group"),
L("Start following this group or channel")));
}
}
xs_html_add(form,
html_button("mute", L("MUTE"),
L("Block any activity from this user forever")));
}
xs_html_add(form,
html_button("delete", L("Delete"), L("Delete this post")),
html_button("hide", L("Hide"), L("Hide this post and its children")));
char *prev_src = xs_dict_get(msg, "sourceContent");
if (!xs_is_null(prev_src) && strcmp(actor, snac->actor) == 0) { /** edit **/
/* post can be edited */
xs *div_id = xs_fmt("%s_edit", md5);
xs *form_id = xs_fmt("%s_edit_form", md5);
xs *redir = xs_fmt("%s_entry", md5);
xs_html_add(controls, xs_html_tag("div",
xs_html_tag("p", NULL),
html_note(snac, L("Edit..."),
div_id, form_id,
"", prev_src,
id, NULL,
xs_dict_get(msg, "sensitive"), xs_dict_get(msg, "summary"),
xs_stock_false, redir,
NULL, 0)),
xs_html_tag("p", NULL));
}
{ /** reply **/
/* the post textarea */
xs *ct = build_mentions(snac, msg);
xs *div_id = xs_fmt("%s_reply", md5);
xs *form_id = xs_fmt("%s_reply_form", md5);
xs *redir = xs_fmt("%s_entry", md5);
xs_html_add(controls, xs_html_tag("div",
xs_html_tag("p", NULL),
html_note(snac, L("Reply..."),
div_id, form_id,
"", ct,
NULL, NULL,
xs_dict_get(msg, "sensitive"), xs_dict_get(msg, "summary"),
xs_stock_false, redir,
id, 0)),
xs_html_tag("p", NULL));
}
return controls;
}
xs_html *html_entry(snac *user, xs_dict *msg, int local,
int level, char *md5, int hide_children)
{
char *id = xs_dict_get(msg, "id");
char *type = xs_dict_get(msg, "type");
char *actor;
char *v;
/* do not show non-public messages in the public timeline */
if ((local || !user) && !is_msg_public(msg))
return NULL;
/* hidden? do nothing more for this conversation */
if (user && is_hidden(user, id))
return NULL;
/* avoid too deep nesting, as it may be a loop */
if (level >= 256)
return NULL;
if (strcmp(type, "Follow") == 0) {
return xs_html_tag("div",
xs_html_attr("class", "snac-post"),
xs_html_tag("div",
xs_html_attr("class", "snac-post-header"),
xs_html_tag("div",
xs_html_attr("class", "snac-origin"),
xs_html_text(L("follows you"))),
html_msg_icon(local ? NULL : user, msg)));
}
else
if (!xs_match(type, "Note|Question|Page|Article")) {
/* skip oddities */
return NULL;
}
/* ignore notes with "name", as they are votes to Questions */
if (strcmp(type, "Note") == 0 && !xs_is_null(xs_dict_get(msg, "name")))
return NULL;
/* bring the main actor */
if ((actor = xs_dict_get(msg, "attributedTo")) == NULL)
return NULL;
/* ignore muted morons immediately */
if (user && is_muted(user, actor))
return NULL;
if ((user == NULL || strcmp(actor, user->actor) != 0)
&& !valid_status(actor_get(actor, NULL)))
return NULL;
/** html_entry top tag **/
xs_html *entry_top = xs_html_tag("div", NULL);
{
xs *s1 = xs_fmt("%s_entry", md5);
xs_html_add(entry_top,
xs_html_tag("a",
xs_html_attr("name", s1)));
}
xs_html *entry = xs_html_tag("div",
xs_html_attr("class", level == 0 ? "snac-post" : "snac-child"));
xs_html_add(entry_top,
entry);
/** post header **/
xs_html *score;
xs_html *post_header = xs_html_tag("div",
xs_html_attr("class", "snac-post-header"),
score = xs_html_tag("div",
xs_html_attr("class", "snac-score")));
xs_html_add(entry,
post_header);
if (user && is_pinned(user, id)) {
/* add a pin emoji */
xs_html_add(score,
xs_html_tag("span",
xs_html_attr("title", L("Pinned")),
xs_html_raw(" &#128204; ")));
}
if (strcmp(type, "Question") == 0) {
/* add the ballot box emoji */
xs_html_add(score,
xs_html_tag("span",
xs_html_attr("title", L("Poll")),
xs_html_raw(" &#128499; ")));
if (user && was_question_voted(user, id)) {
/* add a check to show this poll was voted */
xs_html_add(score,
xs_html_tag("span",
xs_html_attr("title", L("Voted")),
xs_html_raw(" &#10003; ")));
}
}
/* if it's a user from this same instance, add the score */
if (xs_startswith(id, srv_baseurl)) {
int n_likes = object_likes_len(id);
int n_boosts = object_announces_len(id);
/* alternate emojis: %d &#128077; %d &#128257; */
xs *s1 = xs_fmt("%d &#9733; %d &#8634;\n", n_likes, n_boosts);
xs_html_add(score,
xs_html_raw(s1));
}
xs *boosts = object_announces(id);
if (xs_list_len(boosts)) {
/* if somebody boosted this, show as origin */
char *p = xs_list_get(boosts, -1);
xs *actor_r = NULL;
if (user && xs_list_in(boosts, user->md5) != -1) {
/* we boosted this */
xs_html_add(post_header,
xs_html_tag("div",
xs_html_attr("class", "snac-origin"),
xs_html_tag("a",
xs_html_attr("href", user->actor),
xs_html_text(xs_dict_get(user->config, "name"))),
xs_html_text(" "),
xs_html_text(L("boosted"))));
}
else
if (valid_status(object_get_by_md5(p, &actor_r))) {
xs *name = actor_name(actor_r);
if (!xs_is_null(name)) {
xs *href = NULL;
if (!local && user != NULL)
href = xs_fmt("%s/people#%s", user->actor, p);
else
href = xs_dup(xs_dict_get(actor_r, "id"));
xs_html_add(post_header,
xs_html_tag("div",
xs_html_attr("class", "snac-origin"),
xs_html_tag("a",
xs_html_attr("href", href),
xs_html_raw(name)), /* already sanitized */
xs_html_text(" "),
xs_html_text(L("boosted"))));
}
}
}
else
if (strcmp(type, "Note") == 0) {
if (level == 0) {
/* is the parent not here? */
char *parent = xs_dict_get(msg, "inReplyTo");
if (user && !xs_is_null(parent) && *parent && !timeline_here(user, parent)) {
xs_html_add(post_header,
xs_html_tag("div",
xs_html_attr("class", "snac-origin"),
xs_html_text(L("in reply to")),
xs_html_text(" "),
xs_html_tag("a",
xs_html_attr("href", parent),
xs_html_text("»"))));
}
}
}
xs_html_add(post_header,
html_msg_icon(local ? NULL : user, msg));
/** post content **/
xs_html *snac_content_wrap = xs_html_tag("div",
xs_html_attr("class", "e-content snac-content"));
xs_html_add(entry,
snac_content_wrap);
if (!xs_is_null(v = xs_dict_get(msg, "name"))) {
xs_html_add(snac_content_wrap,
xs_html_tag("h3",
xs_html_attr("class", "snac-entry-title"),
xs_html_text(v)));
}
xs_html *snac_content = NULL;
v = xs_dict_get(msg, "summary");
/* is it sensitive? */
if (user && xs_type(xs_dict_get(msg, "sensitive")) == XSTYPE_TRUE) {
if (xs_is_null(v) || *v == '\0')
v = "...";
/* only show it when not in the public timeline and the config setting is "open" */
char *cw = xs_dict_get(user->config, "cw");
if (xs_is_null(cw) || local)
cw = "";
snac_content = xs_html_tag("details",
xs_html_attr(cw, NULL),
xs_html_tag("summary",
xs_html_text(v),
xs_html_text(L(" [SENSITIVE CONTENT]"))));
}
else {
/* print the summary as a header (sites like e.g. Friendica can contain one) */
if (!xs_is_null(v) && *v)
xs_html_add(snac_content_wrap,
xs_html_tag("h3",
xs_html_attr("class", "snac-entry-title"),
xs_html_text(v)));
snac_content = xs_html_tag("div", NULL);
}
xs_html_add(snac_content_wrap,
snac_content);
{
/** build the content string **/
char *content = xs_dict_get(msg, "content");
xs *c = sanitize(xs_is_null(content) ? "" : content);
/* do some tweaks to the content */
c = xs_replace_i(c, "\r", "");
while (xs_endswith(c, "<br><br>"))
c = xs_crop_i(c, 0, -4);
c = xs_replace_i(c, "<br><br>", "<p>");
c = xs_str_cat(c, "<p>");
/* replace the :shortnames: */
c = replace_shortnames(c, xs_dict_get(msg, "tag"), 2);
/* c contains sanitized HTML */
xs_html_add(snac_content,
xs_html_raw(c));
}
if (strcmp(type, "Question") == 0) { /** question content **/
xs_list *oo = xs_dict_get(msg, "oneOf");
xs_list *ao = xs_dict_get(msg, "anyOf");
xs_list *p;
xs_dict *v;
int closed = 0;
xs_html *poll = xs_html_tag("div", NULL);
if (local)
closed = 1; /* non-identified page; show as closed */
else
if (xs_dict_get(msg, "closed"))
closed = 2;
else
if (user && xs_startswith(id, user->actor))
closed = 1; /* we questioned; closed for us */
else
if (user && was_question_voted(user, id))
closed = 1; /* we already voted; closed for us */
/* get the appropriate list of options */
p = oo != NULL ? oo : ao;
if (closed || user == NULL) {
/* closed poll */
xs_html *poll_result = xs_html_tag("table",
xs_html_attr("class", "snac-poll-result"));
while (xs_list_iter(&p, &v)) {
char *name = xs_dict_get(v, "name");
xs_dict *replies = xs_dict_get(v, "replies");
if (name && replies) {
char *ti = (char *)xs_number_str(xs_dict_get(replies, "totalItems"));
xs_html_add(poll_result,
xs_html_tag("tr",
xs_html_tag("td",
xs_html_text(name),
xs_html_text(":")),
xs_html_tag("td",
xs_html_text(ti))));
}
}
xs_html_add(poll,
poll_result);
}
else {
/* poll still active */
xs *vote_action = xs_fmt("%s/admin/vote", user->actor);
xs_html *form;
xs_html *poll_form = xs_html_tag("div",
xs_html_attr("class", "snac-poll-form"),
form = xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", vote_action),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "actor"),
xs_html_attr("value", actor)),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "irt"),
xs_html_attr("value", id))));
while (xs_list_iter(&p, &v)) {
char *name = xs_dict_get(v, "name");
xs_dict *replies = xs_dict_get(v, "replies");
if (name) {
char *ti = (char *)xs_number_str(xs_dict_get(replies, "totalItems"));
xs_html_add(form,
xs_html_sctag("input",
xs_html_attr("type", !xs_is_null(oo) ? "radio" : "checkbox"),
xs_html_attr("id", name),
xs_html_attr("value", name),
xs_html_attr("name", "question")),
xs_html_text(" "),
xs_html_tag("span",
xs_html_attr("title", ti),
xs_html_text(name)),
xs_html_sctag("br", NULL));
}
}
xs_html_add(form,
xs_html_tag("p", NULL),
xs_html_sctag("input",
xs_html_attr("type", "submit"),
xs_html_attr("class", "button"),
xs_html_attr("value", L("Vote"))));
xs_html_add(poll,
poll_form);
}
/* if it's *really* closed, say it */
if (closed == 2) {
xs_html_add(poll,
xs_html_tag("p",
xs_html_text(L("Closed"))));
}
else {
/* show when the poll closes */
char *end_time = xs_dict_get(msg, "endTime");
if (!xs_is_null(end_time)) {
time_t t0 = time(NULL);
time_t t1 = xs_parse_iso_date(end_time, 0);
if (t1 > 0 && t1 > t0) {
time_t diff_time = t1 - t0;
xs *tf = xs_str_time_diff(diff_time);
char *p = tf;
/* skip leading zeros */
for (; *p == '0' || *p == ':'; p++);
xs_html_add(poll,
xs_html_tag("p",
xs_html_text(L("Closes in")),
xs_html_text(" "),
xs_html_text(p)));
}
}
}
xs_html_add(snac_content,
poll);
}
/* add the attachments */
v = xs_dict_get(msg, "attachment");
if (!xs_is_null(v)) { /** attachments **/
xs *attach = NULL;
/* ensure it's a list */
if (xs_type(v) == XSTYPE_DICT) {
attach = xs_list_new();
attach = xs_list_append(attach, v);
}
else
if (xs_type(v) == XSTYPE_LIST)
attach = xs_dup(v);
else
attach = xs_list_new();
/* does the message have an image? */
if (xs_type(v = xs_dict_get(msg, "image")) == XSTYPE_DICT) {
/* add it to the attachment list */
attach = xs_list_append(attach, v);
}
/* make custom css for attachments easier */
xs_html *content_attachments = xs_html_tag("div",
xs_html_attr("class", "snac-content-attachments"));
xs_html_add(snac_content,
content_attachments);
xs_list *p = attach;
while (xs_list_iter(&p, &v)) {
char *t = xs_dict_get(v, "mediaType");
if (xs_is_null(t))
t = xs_dict_get(v, "type");
if (xs_is_null(t))
continue;
char *url = xs_dict_get(v, "url");
if (xs_is_null(url))
url = xs_dict_get(v, "href");
if (xs_is_null(url))
continue;
/* infer MIME type from non-specific attachments */
if (xs_list_len(attach) < 2 && xs_match(t, "Link|Document")) {
char *mt = (char *)xs_mime_by_ext(url);
if (xs_match(mt, "image/*|audio/*|video/*")) /* */
t = mt;
}
char *name = xs_dict_get(v, "name");
if (xs_is_null(name))
name = xs_dict_get(msg, "name");
if (xs_is_null(name))
name = L("No description");
if (xs_startswith(t, "image/") || strcmp(t, "Image") == 0) {
xs_html_add(content_attachments,
xs_html_tag("a",
xs_html_attr("href", url),
xs_html_attr("target", "_blank"),
xs_html_sctag("img",
xs_html_attr("loading", "lazy"),
xs_html_attr("src", url),
xs_html_attr("alt", name),
xs_html_attr("title", name))));
}
else
if (xs_startswith(t, "video/")) {
xs_html_add(content_attachments,
xs_html_tag("video",
xs_html_attr("preload", "none"),
xs_html_attr("style", "width: 100%"),
xs_html_attr("class", "snac-embedded-video"),
xs_html_attr("controls", NULL),
xs_html_attr("src", url),
xs_html_text(L("Video")),
xs_html_text(": "),
xs_html_tag("a",
xs_html_attr("href", url),
xs_html_text(name))));
}
else
if (xs_startswith(t, "audio/")) {
xs_html_add(content_attachments,
xs_html_tag("audio",
xs_html_attr("preload", "none"),
xs_html_attr("style", "width: 100%"),
xs_html_attr("class", "snac-embedded-audio"),
xs_html_attr("controls", NULL),
xs_html_attr("src", url),
xs_html_text(L("Audio")),
xs_html_text(": "),
xs_html_tag("a",
xs_html_attr("href", url),
xs_html_text(name))));
}
else
if (strcmp(t, "Link") == 0) {
xs_html_add(content_attachments,
xs_html_tag("p",
xs_html_tag("a",
xs_html_attr("href", url),
xs_html_text(url))));
}
else {
xs_html_add(content_attachments,
xs_html_tag("p",
xs_html_tag("a",
xs_html_attr("href", url),
xs_html_text(L("Attachment")),
xs_html_text(": "),
xs_html_text(url))));
}
}
}
/* has this message an audience (i.e., comes from a channel or community)? */
char *audience = xs_dict_get(msg, "audience");
if (strcmp(type, "Page") == 0 && !xs_is_null(audience)) {
xs_html *au_tag = xs_html_tag("p",
xs_html_text("("),
xs_html_tag("a",
xs_html_attr("href", audience),
xs_html_attr("title", L("Source channel or community")),
xs_html_text(audience)),
xs_html_text(")"));
xs_html_add(snac_content_wrap,
au_tag);
}
/** controls **/
if (!local && user) {
xs_html_add(entry,
html_entry_controls(user, msg, md5));
}
/** children **/
if (!hide_children) {
xs *children = object_children(id);
int left = xs_list_len(children);
if (left) {
xs_html *ch_details = xs_html_tag("details",
xs_html_attr("open", NULL),
xs_html_tag("summary",
xs_html_text("...")));
xs_html_add(entry,
ch_details);
xs_html *ch_container = xs_html_tag("div",
xs_html_attr("class", level < 4 ? "snac-children" : "snac-children-too-deep"));
xs_html_add(ch_details,
ch_container);
xs_html *ch_older = NULL;
if (left > 3) {
xs_html_add(ch_container,
ch_older = xs_html_tag("details",
xs_html_tag("summary",
xs_html_text(L("Older...")))));
}
xs_list *p = children;
char *cmd5;
while (xs_list_iter(&p, &cmd5)) {
xs *chd = NULL;
if (user)
timeline_get_by_md5(user, cmd5, &chd);
else
object_get_by_md5(cmd5, &chd);
if (chd != NULL && xs_is_null(xs_dict_get(chd, "name"))) {
xs_html *che = html_entry(user, chd, local, level + 1, cmd5, hide_children);
if (che != NULL) {
if (left > 3)
xs_html_add(ch_older,
che);
else
xs_html_add(ch_container,
che);
}
}
else
srv_debug(2, xs_fmt("cannot read child %s", cmd5));
left--;
}
}
}
return entry_top;
}
xs_html *html_footer(void)
{
return xs_html_tag("div",
xs_html_attr("class", "snac-footer"),
xs_html_tag("a",
xs_html_attr("href", srv_baseurl),
xs_html_text(L("about this site"))),
xs_html_text(" - "),
xs_html_text(L("powered by ")),
xs_html_tag("a",
xs_html_attr("href", WHAT_IS_SNAC_URL),
xs_html_tag("abbr",
xs_html_attr("title", "Social Network Are Crap"),
xs_html_text("snac"))));
}
xs_str *html_timeline(snac *user, const xs_list *list, int local,
int skip, int show, int show_more, char *tag)
/* returns the HTML for the timeline */
{
xs_list *p = (xs_list *)list;
char *v;
double t = ftime();
xs_html *head;
xs_html *body;
if (user) {
head = html_user_head(user);
body = html_user_body(user, local);
}
else {
head = html_instance_head();
body = html_instance_body(tag);
}
xs_html *html = xs_html_tag("html",
head,
body);
if (user && !local)
xs_html_add(body,
html_top_controls(user));
xs_html_add(body,
xs_html_tag("a",
xs_html_attr("name", "snac-posts")));
xs_html *posts = xs_html_tag("div",
xs_html_attr("class", "snac-posts"));
xs_html_add(body,
posts);
while (xs_list_iter(&p, &v)) {
xs *msg = NULL;
int status;
if (user && !is_pinned_by_md5(user, v))
status = timeline_get_by_md5(user, v, &msg);
else
status = object_get_by_md5(v, &msg);
if (!valid_status(status))
continue;
/* if it's an instance page, discard private users */
if (user == NULL && xs_startswith(xs_dict_get(msg, "id"), srv_baseurl)) {
const char *atto = xs_dict_get(msg, "attributedTo");
xs *l = xs_split(atto, "/");
const char *uid = xs_list_get(l, -1);
snac user;
int skip = 1;
if (uid && user_open(&user, uid)) {
if (xs_type(xs_dict_get(user.config, "private")) != XSTYPE_TRUE)
skip = 0;
user_free(&user);
}
if (skip)
continue;
}
xs_html *entry = html_entry(user, msg, local, 0, v, user ? 0 : 1);
if (entry != NULL)
xs_html_add(posts,
entry);
}
if (list && user && local) {
if (xs_type(xs_dict_get(srv_config, "disable_history")) != XSTYPE_TRUE) {
xs_html *ul = xs_html_tag("ul", NULL);
xs_html *history = xs_html_tag("div",
xs_html_attr("class", "snac-history"),
xs_html_tag("p",
xs_html_attr("class", "snac-history-title"),
xs_html_text(L("History"))),
ul);
xs *list = history_list(user);
xs_list *p = list;
char *v;
while (xs_list_iter(&p, &v)) {
xs *fn = xs_replace(v, ".html", "");
xs *url = xs_fmt("%s/h/%s", user->actor, v);
xs_html_add(ul,
xs_html_tag("li",
xs_html_tag("a",
xs_html_attr("href", url),
xs_html_text(fn))));
}
xs_html_add(body,
history);
}
}
{
xs *s1 = xs_fmt("\n<!-- %lf seconds -->\n", ftime() - t);
xs_html_add(body,
xs_html_raw(s1));
}
if (show_more) {
xs *t = NULL;
xs *m = NULL;
xs *ss = xs_fmt("skip=%d&show=%d", skip + show, show);
if (tag) {
t = xs_fmt("%s?t=%s", srv_baseurl, tag);
m = xs_fmt("%s&%s", t, ss);
}
else {
t = xs_fmt("%s%s", user ? user->actor : srv_baseurl, local ? "" : "/admin");
m = xs_fmt("%s?%s", t, ss);
}
xs_html *more_links = xs_html_tag("p",
xs_html_tag("a",
xs_html_attr("href", t),
xs_html_attr("name", "snac-more"),
xs_html_text(L("Back to top"))),
xs_html_text(" - "),
xs_html_tag("a",
xs_html_attr("href", m),
xs_html_attr("name", "snac-more"),
xs_html_text(L("More..."))));
xs_html_add(body,
more_links);
}
xs_html_add(body,
html_footer());
return xs_html_render_s(html, "<!DOCTYPE html>\n");
}
xs_html *html_people_list(snac *snac, xs_list *list, char *header, char *t)
{
xs_html *snac_posts;
xs_html *people = xs_html_tag("div",
xs_html_tag("h2",
xs_html_attr("class", "snac-header"),
xs_html_text(header)),
snac_posts = xs_html_tag("details",
xs_html_attr("open", NULL),
xs_html_tag("summary",
xs_html_text("...")),
xs_html_tag("div",
xs_html_attr("class", "snac-posts"))));
xs_list *p = list;
char *actor_id;
while (xs_list_iter(&p, &actor_id)) {
xs *md5 = xs_md5_hex(actor_id, strlen(actor_id));
xs *actor = NULL;
if (valid_status(actor_get(actor_id, &actor))) {
xs_html *snac_post = xs_html_tag("div",
xs_html_attr("class", "snac-post"),
xs_html_tag("a",
xs_html_attr("name", md5)),
xs_html_tag("div",
xs_html_attr("class", "snac-post-header"),
html_actor_icon(NULL, actor, xs_dict_get(actor, "published"), NULL, NULL, 0)));
/* content (user bio) */
char *c = xs_dict_get(actor, "summary");
if (!xs_is_null(c)) {
xs *sc = sanitize(c);
xs_html *snac_content = xs_html_tag("div",
xs_html_attr("class", "snac-content"));
if (xs_startswith(sc, "<p>"))
xs_html_add(snac_content,
xs_html_raw(sc)); /* already sanitized */
else
xs_html_add(snac_content,
xs_html_tag("p",
xs_html_raw(sc))); /* already sanitized */
xs_html_add(snac_post, snac_content);
}
/* buttons */
xs *btn_form_action = xs_fmt("%s/admin/action", snac->actor);
xs_html *snac_controls = xs_html_tag("div",
xs_html_attr("class", "snac-controls"));
xs_html *form = xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", btn_form_action),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "actor"),
xs_html_attr("value", actor_id)),
xs_html_sctag("input",
xs_html_attr("type", "hidden"),
xs_html_attr("name", "actor-form"),
xs_html_attr("value", "yes")));
xs_html_add(snac_controls, form);
if (following_check(snac, actor_id)) {
xs_html_add(form,
html_button("unfollow", L("Unfollow"),
L("Stop following this user's activity")));
if (is_limited(snac, actor_id))
xs_html_add(form,
html_button("unlimit", L("Unlimit"),
L("Allow announces (boosts) from this user")));
else
xs_html_add(form,
html_button("limit", L("Limit"),
L("Block announces (boosts) from this user")));
}
else {
xs_html_add(form,
html_button("follow", L("Follow"),
L("Start following this user's activity")));
if (follower_check(snac, actor_id))
xs_html_add(form,
html_button("delete", L("Delete"), L("Delete this user")));
}
if (is_muted(snac, actor_id))
xs_html_add(form,
html_button("unmute", L("Unmute"),
L("Stop blocking activities from this user")));
else
xs_html_add(form,
html_button("mute", L("MUTE"),
L("Block any activity from this user")));
/* the post textarea */
xs *dm_div_id = xs_fmt("%s_%s_dm", md5, t);
xs *dm_form_id = xs_fmt("%s_reply_form", md5);
xs_html_add(snac_controls,
xs_html_tag("p", NULL),
html_note(snac, L("Direct Message..."),
dm_div_id, dm_form_id,
"", "",
NULL, actor_id,
xs_stock_false, "",
xs_stock_false, NULL,
NULL, 0),
xs_html_tag("p", NULL));
xs_html_add(snac_post, snac_controls);
xs_html_add(snac_posts, snac_post);
}
}
return people;
}
xs_str *html_people(snac *user)
{
xs *wing = following_list(user);
xs *wers = follower_list(user);
xs_html *html = xs_html_tag("html",
html_user_head(user),
xs_html_add(html_user_body(user, 0),
html_people_list(user, wing, L("People you follow"), "i"),
html_people_list(user, wers, L("People that follow you"), "e"),
html_footer()));
return xs_html_render_s(html, "<!DOCTYPE html>\n");
}
xs_str *html_notifications(snac *user)
{
xs *n_list = notify_list(user, 0);
xs *n_time = notify_check_time(user, 0);
xs_html *body = html_user_body(user, 0);
xs_html *html = xs_html_tag("html",
html_user_head(user),
body);
xs *clear_all_action = xs_fmt("%s/admin/clear-notifications", user->actor);
xs_html_add(body,
xs_html_tag("form",
xs_html_attr("autocomplete", "off"),
xs_html_attr("method", "post"),
xs_html_attr("action", clear_all_action),
xs_html_attr("id", "clear"),
xs_html_sctag("input",
xs_html_attr("type", "submit"),
xs_html_attr("class", "snac-btn-like"),
xs_html_attr("value", L("Clear all")))));
xs_html *noti_new = NULL;
xs_html *noti_seen = NULL;
xs_list *p = n_list;
xs_str *v;
while (xs_list_iter(&p, &v)) {
xs *noti = notify_get(user, v);
if (noti == NULL)
continue;
xs *obj = NULL;
char *type = xs_dict_get(noti, "type");
char *utype = xs_dict_get(noti, "utype");
char *id = xs_dict_get(noti, "objid");
if (xs_is_null(id) || !valid_status(object_get(id, &obj)))
continue;
if (is_hidden(user, id))
continue;
char *actor_id = xs_dict_get(noti, "actor");
xs *actor = NULL;
if (!valid_status(actor_get(actor_id, &actor)))
continue;
xs *a_name = actor_name(actor);
char *label = type;
if (strcmp(type, "Create") == 0)
label = L("Mention");
else
if (strcmp(type, "Update") == 0 && strcmp(utype, "Question") == 0)
label = L("Finished poll");
else
if (strcmp(type, "Undo") == 0 && strcmp(utype, "Follow") == 0)
label = L("Unfollow");
xs_html *entry = xs_html_tag("div",
xs_html_attr("class", "snac-post-with-desc"),
xs_html_tag("p",
xs_html_tag("b",
xs_html_text(label),
xs_html_text(" by "),
xs_html_tag("a",
xs_html_attr("href", actor_id),
xs_html_raw(a_name))))); /* a_name is already sanitized */
if (strcmp(type, "Follow") == 0 || strcmp(utype, "Follow") == 0) {
xs_html_add(entry,
xs_html_tag("div",
xs_html_attr("class", "snac-post"),
html_actor_icon(user, actor, NULL, NULL, NULL, 0)));
}
else {
xs *md5 = xs_md5_hex(id, strlen(id));
xs_html *h = html_entry(user, obj, 0, 0, md5, 1);
if (h != NULL) {
xs_html_add(entry,
h);
}
}
if (strcmp(v, n_time) > 0) {
/* unseen notification */
if (noti_new == NULL) {
noti_new = xs_html_tag("div",
xs_html_tag("h2",
xs_html_attr("class", "snac-header"),
xs_html_text(L("New"))));
xs_html_add(body,
noti_new);
}
xs_html_add(noti_new,
entry);
}
else {
/* already seen notification */
if (noti_seen == NULL) {
noti_seen = xs_html_tag("div",
xs_html_tag("h2",
xs_html_attr("class", "snac-header"),
xs_html_text(L("Already seen"))));
xs_html_add(body,
noti_seen);
}
xs_html_add(noti_seen,
entry);
}
}
if (noti_new == NULL && noti_seen == NULL)
xs_html_add(body,
xs_html_tag("h2",
xs_html_attr("class", "snac-header"),
xs_html_text(L("None"))));
xs_html_add(body,
html_footer());
/* set the check time to now */
xs *dummy = notify_check_time(user, 1);
dummy = xs_free(dummy);
timeline_touch(user);
return xs_html_render_s(html, "<!DOCTYPE html>\n");
}
int html_get_handler(const xs_dict *req, const char *q_path,
char **body, int *b_size, char **ctype, xs_str **etag)
{
char *accept = xs_dict_get(req, "accept");
int status = 404;
snac snac;
xs *uid = NULL;
char *p_path;
int cache = 1;
int save = 1;
char *v;
xs *l = xs_split_n(q_path, "/", 2);
v = xs_list_get(l, 1);
if (xs_is_null(v)) {
srv_log(xs_fmt("html_get_handler bad query '%s'", q_path));
return 404;
}
uid = xs_dup(v);
/* rss extension? */
if (xs_endswith(uid, ".rss")) {
uid = xs_crop_i(uid, 0, -4);
p_path = ".rss";
}
else
p_path = xs_list_get(l, 2);
if (!uid || !user_open(&snac, uid)) {
/* invalid user */
srv_debug(1, xs_fmt("html_get_handler bad user %s", uid));
return 404;
}
/* return the RSS if requested by Accept header */
if (accept != NULL) {
if (xs_str_in(accept, "text/xml") != -1 ||
xs_str_in(accept, "application/rss+xml") != -1)
p_path = ".rss";
}
/* check if server config variable 'disable_cache' is set */
if ((v = xs_dict_get(srv_config, "disable_cache")) && xs_type(v) == XSTYPE_TRUE)
cache = 0;
int skip = 0;
int show = xs_number_get(xs_dict_get(srv_config, "max_timeline_entries"));
char *q_vars = xs_dict_get(req, "q_vars");
if ((v = xs_dict_get(q_vars, "skip")) != NULL)
skip = atoi(v), cache = 0, save = 0;
if ((v = xs_dict_get(q_vars, "show")) != NULL)
show = atoi(v), cache = 0, save = 0;
if (p_path == NULL) { /** public timeline **/
xs *h = xs_str_localtime(0, "%Y-%m.html");
if (xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE) {
*body = html_timeline(&snac, NULL, 1, 0, 0, 0, NULL);
*b_size = strlen(*body);
status = 200;
}
else
if (cache && history_mtime(&snac, h) > timeline_mtime(&snac)) {
snac_debug(&snac, 1, xs_fmt("serving cached local timeline"));
status = history_get(&snac, h, body, b_size,
xs_dict_get(req, "if-none-match"), etag);
}
else {
xs *list = timeline_list(&snac, "public", skip, show);
xs *next = timeline_list(&snac, "public", skip + show, 1);
xs *pins = pinned_list(&snac);
pins = xs_list_cat(pins, list);
*body = html_timeline(&snac, pins, 1, skip, show, xs_list_len(next), NULL);
*b_size = strlen(*body);
status = 200;
if (save)
history_add(&snac, h, *body, *b_size, etag);
}
}
else
if (strcmp(p_path, "admin") == 0) { /** private timeline **/
if (!login(&snac, req)) {
*body = xs_dup(uid);
status = 401;
}
else {
if (cache && history_mtime(&snac, "timeline.html_") > timeline_mtime(&snac)) {
snac_debug(&snac, 1, xs_fmt("serving cached timeline"));
status = history_get(&snac, "timeline.html_", body, b_size,
xs_dict_get(req, "if-none-match"), etag);
}
else {
snac_debug(&snac, 1, xs_fmt("building timeline"));
xs *list = timeline_list(&snac, "private", skip, show);
xs *next = timeline_list(&snac, "private", skip + show, 1);
xs *pins = pinned_list(&snac);
pins = xs_list_cat(pins, list);
*body = html_timeline(&snac, pins, 0, skip, show, xs_list_len(next), NULL);
*b_size = strlen(*body);
status = 200;
if (save)
history_add(&snac, "timeline.html_", *body, *b_size, etag);
}
}
}
else
if (strcmp(p_path, "people") == 0) { /** the list of people **/
if (!login(&snac, req)) {
*body = xs_dup(uid);
status = 401;
}
else {
*body = html_people(&snac);
*b_size = strlen(*body);
status = 200;
}
}
else
if (strcmp(p_path, "notifications") == 0) { /** the list of notifications **/
if (!login(&snac, req)) {
*body = xs_dup(uid);
status = 401;
}
else {
*body = html_notifications(&snac);
*b_size = strlen(*body);
status = 200;
}
}
else
if (xs_startswith(p_path, "p/")) { /** a timeline with just one entry **/
if (xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE)
return 403;
xs *id = xs_fmt("%s/%s", snac.actor, p_path);
xs *msg = NULL;
if (valid_status(object_get(id, &msg))) {
xs *md5 = xs_md5_hex(id, strlen(id));
xs *list = xs_list_new();
list = xs_list_append(list, md5);
*body = html_timeline(&snac, list, 1, 0, 0, 0, NULL);
*b_size = strlen(*body);
status = 200;
}
}
else
if (xs_startswith(p_path, "s/")) { /** a static file **/
xs *l = xs_split(p_path, "/");
char *id = xs_list_get(l, 1);
int sz;
if (id && *id) {
status = static_get(&snac, id, body, &sz,
xs_dict_get(req, "if-none-match"), etag);
if (valid_status(status)) {
*b_size = sz;
*ctype = (char *)xs_mime_by_ext(id);
}
}
}
else
if (xs_startswith(p_path, "h/")) { /** an entry from the history **/
if (xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE)
return 403;
if (xs_type(xs_dict_get(srv_config, "disable_history")) == XSTYPE_TRUE)
return 403;
xs *l = xs_split(p_path, "/");
char *id = xs_list_get(l, 1);
if (id && *id) {
if (xs_endswith(id, "timeline.html_")) {
/* Don't let them in */
*b_size = 0;
status = 404;
}
else
status = history_get(&snac, id, body, b_size,
xs_dict_get(req, "if-none-match"), etag);
}
}
else
if (strcmp(p_path, ".rss") == 0) { /** public timeline in RSS format **/
if (xs_type(xs_dict_get(snac.config, "private")) == XSTYPE_TRUE)
return 403;
xs *elems = timeline_simple_list(&snac, "public", 0, 20);
xs *bio = not_really_markdown(xs_dict_get(snac.config, "bio"), NULL);
xs *rss_title = xs_fmt("%s (@%s@%s)",
xs_dict_get(snac.config, "name"),
snac.uid,
xs_dict_get(srv_config, "host"));
xs *rss_link = xs_fmt("%s.rss", snac.actor);
xs_html *rss = xs_html_tag("rss",
xs_html_attr("version", "0.91"));
xs_html *channel = xs_html_tag("channel",
xs_html_tag("title",
xs_html_text(rss_title)),
xs_html_tag("language",
xs_html_text("en")),
xs_html_tag("link",
xs_html_text(rss_link)),
xs_html_tag("description",
xs_html_text(bio)));
xs_html_add(rss, channel);
xs_list *p = elems;
char *v;
while (xs_list_iter(&p, &v)) {
xs *msg = NULL;
if (!valid_status(timeline_get_by_md5(&snac, v, &msg)))
continue;
char *id = xs_dict_get(msg, "id");
char *content = xs_dict_get(msg, "content");
if (!xs_startswith(id, snac.actor))
continue;
/* create a title with the first line of the content */
xs *es_title = xs_replace(content, "<br>", "\n");
xs *title = xs_str_new(NULL);
int i;
for (i = 0; es_title[i] && es_title[i] != '\n' && es_title[i] != '&' && i < 50; i++)
title = xs_append_m(title, &es_title[i], 1);
xs_html_add(channel,
xs_html_tag("item",
xs_html_tag("title",
xs_html_text(title)),
xs_html_tag("link",
xs_html_text(id)),
xs_html_tag("description",
xs_html_text(content))));
}
*body = xs_html_render_s(rss, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
*b_size = strlen(*body);
*ctype = "application/rss+xml; charset=utf-8";
status = 200;
snac_debug(&snac, 1, xs_fmt("serving RSS"));
}
else
status = 404;
user_free(&snac);
if (valid_status(status) && *ctype == NULL) {
*ctype = "text/html; charset=utf-8";
}
return status;
}
int html_post_handler(const xs_dict *req, const char *q_path,
char *payload, int p_size,
char **body, int *b_size, char **ctype)
{
(void)p_size;
(void)ctype;
int status = 0;
snac snac;
char *uid, *p_path;
xs_dict *p_vars;
xs *l = xs_split_n(q_path, "/", 2);
uid = xs_list_get(l, 1);
if (!uid || !user_open(&snac, uid)) {
/* invalid user */
srv_debug(1, xs_fmt("html_post_handler bad user %s", uid));
return 404;
}
p_path = xs_list_get(l, 2);
/* all posts must be authenticated */
if (!login(&snac, req)) {
user_free(&snac);
*body = xs_dup(uid);
return 401;
}
p_vars = xs_dict_get(req, "p_vars");
#if 0
xs_json_dump(p_vars, 4, stdout);
#endif
if (p_path && strcmp(p_path, "admin/note") == 0) { /** **/
/* post note */
xs_str *content = xs_dict_get(p_vars, "content");
xs_str *in_reply_to = xs_dict_get(p_vars, "in_reply_to");
xs_str *attach_url = xs_dict_get(p_vars, "attach_url");
xs_list *attach_file = xs_dict_get(p_vars, "attach");
xs_str *to = xs_dict_get(p_vars, "to");
xs_str *sensitive = xs_dict_get(p_vars, "sensitive");
xs_str *summary = xs_dict_get(p_vars, "summary");
xs_str *edit_id = xs_dict_get(p_vars, "edit_id");
xs_str *alt_text = xs_dict_get(p_vars, "alt_text");
int priv = !xs_is_null(xs_dict_get(p_vars, "mentioned_only"));
xs *attach_list = xs_list_new();
/* default alt text */
if (xs_is_null(alt_text))
alt_text = "";
/* is attach_url set? */
if (!xs_is_null(attach_url) && *attach_url != '\0') {
xs *l = xs_list_new();
l = xs_list_append(l, attach_url);
l = xs_list_append(l, alt_text);
attach_list = xs_list_append(attach_list, l);
}
/* is attach_file set? */
if (!xs_is_null(attach_file) && xs_type(attach_file) == XSTYPE_LIST) {
char *fn = xs_list_get(attach_file, 0);
if (*fn != '\0') {
char *ext = strrchr(fn, '.');
xs *hash = xs_md5_hex(fn, strlen(fn));
xs *id = xs_fmt("%s%s", hash, ext);
xs *url = xs_fmt("%s/s/%s", snac.actor, id);
int fo = xs_number_get(xs_list_get(attach_file, 1));
int fs = xs_number_get(xs_list_get(attach_file, 2));
/* store */
static_put(&snac, id, payload + fo, fs);
xs *l = xs_list_new();
l = xs_list_append(l, url);
l = xs_list_append(l, alt_text);
attach_list = xs_list_append(attach_list, l);
}
}
if (content != NULL) {
xs *msg = NULL;
xs *c_msg = NULL;
xs *content_2 = xs_replace(content, "\r", "");
xs *poll_opts = NULL;
/* is there a valid set of poll options? */
const char *v = xs_dict_get(p_vars, "poll_options");
if (!xs_is_null(v) && *v) {
xs *v2 = xs_strip_i(xs_replace(v, "\r", ""));
poll_opts = xs_split(v2, "\n");
}
if (!xs_is_null(poll_opts) && xs_list_len(poll_opts)) {
/* get the rest of poll configuration */
const char *p_multiple = xs_dict_get(p_vars, "poll_multiple");
const char *p_end_secs = xs_dict_get(p_vars, "poll_end_secs");
int multiple = 0;
int end_secs = atoi(!xs_is_null(p_end_secs) ? p_end_secs : "60");
if (!xs_is_null(p_multiple) && strcmp(p_multiple, "on") == 0)
multiple = 1;
msg = msg_question(&snac, content_2, attach_list,
poll_opts, multiple, end_secs);
enqueue_close_question(&snac, xs_dict_get(msg, "id"), end_secs);
}
else
msg = msg_note(&snac, content_2, to, in_reply_to, attach_list, priv);
if (sensitive != NULL) {
msg = xs_dict_set(msg, "sensitive", xs_stock_true);
msg = xs_dict_set(msg, "summary", xs_is_null(summary) ? "..." : summary);
}
if (xs_is_null(edit_id)) {
/* new message */
c_msg = msg_create(&snac, msg);
timeline_add(&snac, xs_dict_get(msg, "id"), msg);
}
else {
/* an edition of a previous message */
xs *p_msg = NULL;
if (valid_status(object_get(edit_id, &p_msg))) {
/* copy relevant fields from previous version */
char *fields[] = { "id", "context", "url", "published",
"to", "inReplyTo", NULL };
int n;
for (n = 0; fields[n]; n++) {
char *v = xs_dict_get(p_msg, fields[n]);
msg = xs_dict_set(msg, fields[n], v);
}
/* set the updated field */
xs *updated = xs_str_utctime(0, ISO_DATE_SPEC);
msg = xs_dict_set(msg, "updated", updated);
/* overwrite object, not updating the indexes */
object_add_ow(edit_id, msg);
/* update message */
c_msg = msg_update(&snac, msg);
}
else
snac_log(&snac, xs_fmt("cannot get object '%s' for editing", edit_id));
}
if (c_msg != NULL)
enqueue_message(&snac, c_msg);
history_del(&snac, "timeline.html_");
}
status = 303;
}
else
if (p_path && strcmp(p_path, "admin/action") == 0) { /** **/
/* action on an entry */
char *id = xs_dict_get(p_vars, "id");
char *actor = xs_dict_get(p_vars, "actor");
char *action = xs_dict_get(p_vars, "action");
char *group = xs_dict_get(p_vars, "group");
if (action == NULL)
return 404;
snac_debug(&snac, 1, xs_fmt("web action '%s' received", action));
status = 303;
if (strcmp(action, L("Like")) == 0) { /** **/
xs *msg = msg_admiration(&snac, id, "Like");
if (msg != NULL) {
enqueue_message(&snac, msg);
timeline_admire(&snac, xs_dict_get(msg, "object"), snac.actor, 1);
}
}
else
if (strcmp(action, L("Boost")) == 0) { /** **/
xs *msg = msg_admiration(&snac, id, "Announce");
if (msg != NULL) {
enqueue_message(&snac, msg);
timeline_admire(&snac, xs_dict_get(msg, "object"), snac.actor, 0);
}
}
else
if (strcmp(action, L("MUTE")) == 0) { /** **/
mute(&snac, actor);
}
else
if (strcmp(action, L("Unmute")) == 0) { /** **/
unmute(&snac, actor);
}
else
if (strcmp(action, L("Hide")) == 0) { /** **/
hide(&snac, id);
}
else
if (strcmp(action, L("Limit")) == 0) { /** **/
limit(&snac, actor);
}
else
if (strcmp(action, L("Unlimit")) == 0) { /** **/
unlimit(&snac, actor);
}
else
if (strcmp(action, L("Follow")) == 0) { /** **/
xs *msg = msg_follow(&snac, actor);
if (msg != NULL) {
/* reload the actor from the message, in may be different */
actor = xs_dict_get(msg, "object");
following_add(&snac, actor, msg);
enqueue_output_by_actor(&snac, msg, actor, 0);
}
}
else
if (strcmp(action, L("Unfollow")) == 0) { /** **/
/* get the following object */
xs *object = NULL;
if (valid_status(following_get(&snac, actor, &object))) {
xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
following_del(&snac, actor);
enqueue_output_by_actor(&snac, msg, actor, 0);
snac_log(&snac, xs_fmt("unfollowed actor %s", actor));
}
else
snac_log(&snac, xs_fmt("actor is not being followed %s", actor));
}
else
if (strcmp(action, L("Follow Group")) == 0) { /** **/
xs *msg = msg_follow(&snac, group);
if (msg != NULL) {
/* reload the group from the message, in may be different */
group = xs_dict_get(msg, "object");
following_add(&snac, group, msg);
enqueue_output_by_actor(&snac, msg, group, 0);
}
}
else
if (strcmp(action, L("Unfollow Group")) == 0) { /** **/
/* get the following object */
xs *object = NULL;
if (valid_status(following_get(&snac, group, &object))) {
xs *msg = msg_undo(&snac, xs_dict_get(object, "object"));
following_del(&snac, group);
enqueue_output_by_actor(&snac, msg, group, 0);
snac_log(&snac, xs_fmt("unfollowed group %s", group));
}
else
snac_log(&snac, xs_fmt("actor is not being followed %s", actor));
}
else
if (strcmp(action, L("Delete")) == 0) { /** **/
char *actor_form = xs_dict_get(p_vars, "actor-form");
if (actor_form != NULL) {
/* delete follower */
if (valid_status(follower_del(&snac, actor)))
snac_log(&snac, xs_fmt("deleted follower %s", actor));
else
snac_log(&snac, xs_fmt("error deleting follower %s", actor));
}
else {
/* delete an entry */
if (xs_startswith(id, snac.actor)) {
/* it's a post by us: generate a delete */
xs *msg = msg_delete(&snac, id);
enqueue_message(&snac, msg);
snac_log(&snac, xs_fmt("posted tombstone for %s", id));
}
timeline_del(&snac, id);
snac_log(&snac, xs_fmt("deleted entry %s", id));
}
}
else
if (strcmp(action, L("Pin")) == 0) { /** **/
pin(&snac, id);
timeline_touch(&snac);
}
else
if (strcmp(action, L("Unpin")) == 0) { /** **/
unpin(&snac, id);
timeline_touch(&snac);
}
else
status = 404;
/* delete the cached timeline */
if (status == 303)
history_del(&snac, "timeline.html_");
}
else
if (p_path && strcmp(p_path, "admin/user-setup") == 0) { /** **/
/* change of user data */
char *v;
char *p1, *p2;
if ((v = xs_dict_get(p_vars, "name")) != NULL)
snac.config = xs_dict_set(snac.config, "name", v);
if ((v = xs_dict_get(p_vars, "avatar")) != NULL)
snac.config = xs_dict_set(snac.config, "avatar", v);
if ((v = xs_dict_get(p_vars, "bio")) != NULL)
snac.config = xs_dict_set(snac.config, "bio", v);
if ((v = xs_dict_get(p_vars, "cw")) != NULL &&
strcmp(v, "on") == 0) {
snac.config = xs_dict_set(snac.config, "cw", "open");
} else { /* if the checkbox is not set, the parameter is missing */
snac.config = xs_dict_set(snac.config, "cw", "");
}
if ((v = xs_dict_get(p_vars, "email")) != NULL)
snac.config = xs_dict_set(snac.config, "email", v);
if ((v = xs_dict_get(p_vars, "telegram_bot")) != NULL)
snac.config = xs_dict_set(snac.config, "telegram_bot", v);
if ((v = xs_dict_get(p_vars, "telegram_chat_id")) != NULL)
snac.config = xs_dict_set(snac.config, "telegram_chat_id", v);
if ((v = xs_dict_get(p_vars, "ntfy_server")) != NULL)
snac.config = xs_dict_set(snac.config, "ntfy_server", v);
if ((v = xs_dict_get(p_vars, "ntfy_token")) != NULL)
snac.config = xs_dict_set(snac.config, "ntfy_token", v);
if ((v = xs_dict_get(p_vars, "purge_days")) != NULL) {
xs *days = xs_number_new(atof(v));
snac.config = xs_dict_set(snac.config, "purge_days", days);
}
if ((v = xs_dict_get(p_vars, "drop_dm_from_unknown")) != NULL && strcmp(v, "on") == 0)
snac.config = xs_dict_set(snac.config, "drop_dm_from_unknown", xs_stock_true);
else
snac.config = xs_dict_set(snac.config, "drop_dm_from_unknown", xs_stock_false);
if ((v = xs_dict_get(p_vars, "bot")) != NULL && strcmp(v, "on") == 0)
snac.config = xs_dict_set(snac.config, "bot", xs_stock_true);
else
snac.config = xs_dict_set(snac.config, "bot", xs_stock_false);
if ((v = xs_dict_get(p_vars, "private")) != NULL && strcmp(v, "on") == 0)
snac.config = xs_dict_set(snac.config, "private", xs_stock_true);
else
snac.config = xs_dict_set(snac.config, "private", xs_stock_false);
if ((v = xs_dict_get(p_vars, "metadata")) != NULL) {
/* split the metadata and store it as a dict */
xs_dict *md = xs_dict_new();
xs *l = xs_split(v, "\n");
xs_list *p = l;
xs_str *kp;
while (xs_list_iter(&p, &kp)) {
xs *kpl = xs_split_n(kp, "=", 1);
if (xs_list_len(kpl) == 2) {
xs *k2 = xs_strip_i(xs_dup(xs_list_get(kpl, 0)));
xs *v2 = xs_strip_i(xs_dup(xs_list_get(kpl, 1)));
md = xs_dict_set(md, k2, v2);
}
}
snac.config = xs_dict_set(snac.config, "metadata", md);
}
/* uploads */
const char *uploads[] = { "avatar", "header", NULL };
int n;
for (n = 0; uploads[n]; n++) {
xs *var_name = xs_fmt("%s_file", uploads[n]);
xs_list *uploaded_file = xs_dict_get(p_vars, var_name);
if (xs_type(uploaded_file) == XSTYPE_LIST) {
const char *fn = xs_list_get(uploaded_file, 0);
if (fn && *fn) {
const char *mimetype = xs_mime_by_ext(fn);
if (xs_startswith(mimetype, "image/")) {
const char *ext = strrchr(fn, '.');
xs *hash = xs_md5_hex(fn, strlen(fn));
xs *id = xs_fmt("%s%s", hash, ext);
xs *url = xs_fmt("%s/s/%s", snac.actor, id);
int fo = xs_number_get(xs_list_get(uploaded_file, 1));
int fs = xs_number_get(xs_list_get(uploaded_file, 2));
/* store */
static_put(&snac, id, payload + fo, fs);
snac.config = xs_dict_set(snac.config, uploads[n], url);
}
}
}
}
/* password change? */
if ((p1 = xs_dict_get(p_vars, "passwd1")) != NULL &&
(p2 = xs_dict_get(p_vars, "passwd2")) != NULL &&
*p1 && strcmp(p1, p2) == 0) {
xs *pw = hash_password(snac.uid, p1, NULL);
snac.config = xs_dict_set(snac.config, "passwd", pw);
}
xs *fn = xs_fmt("%s/user.json", snac.basedir);
xs *bfn = xs_fmt("%s.bak", fn);
FILE *f;
rename(fn, bfn);
if ((f = fopen(fn, "w")) != NULL) {
xs_json_dump(snac.config, 4, f);
fclose(f);
}
else
rename(bfn, fn);
history_del(&snac, "timeline.html_");
xs *a_msg = msg_actor(&snac);
xs *u_msg = msg_update(&snac, a_msg);
enqueue_message(&snac, u_msg);
status = 303;
}
else
if (p_path && strcmp(p_path, "admin/clear-notifications") == 0) { /** **/
notify_clear(&snac);
timeline_touch(&snac);
status = 303;
}
else
if (p_path && strcmp(p_path, "admin/vote") == 0) { /** **/
char *irt = xs_dict_get(p_vars, "irt");
const char *opt = xs_dict_get(p_vars, "question");
const char *actor = xs_dict_get(p_vars, "actor");
xs *ls = NULL;
/* multiple choices? */
if (xs_type(opt) == XSTYPE_LIST)
ls = xs_dup(opt);
else {
ls = xs_list_new();
ls = xs_list_append(ls, opt);
}
xs_list *p = ls;
xs_str *v;
while (xs_list_iter(&p, &v)) {
xs *msg = msg_note(&snac, "", actor, irt, NULL, 1);
/* set the option */
msg = xs_dict_append(msg, "name", v);
xs *c_msg = msg_create(&snac, msg);
enqueue_message(&snac, c_msg);
timeline_add(&snac, xs_dict_get(msg, "id"), msg);
}
status = 303;
}
if (status == 303) {
char *redir = xs_dict_get(p_vars, "redir");
if (xs_is_null(redir))
redir = "top";
*body = xs_fmt("%s/admin#%s", snac.actor, redir);
*b_size = strlen(*body);
}
user_free(&snac);
return status;
}
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