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snac2/utils.c

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New function initdb().
2022-10-04 06:51:24 +00:00
/* snac - A simple, minimalistic ActivityPub instance */
Updated year in copyright notices.
2023-01-17 08:50:16 +00:00
/* copyright (c) 2022 - 2023 grunfink / MIT license */
New function initdb().
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#include "xs.h"
#include "xs_io.h"
#include "xs_encdec.h"
#include "xs_json.h"
New function adduser().
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#include "xs_time.h"
#include "xs_openssl.h"
New function initdb().
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#include "snac.h"
#include <sys/stat.h>
New function adduser().
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#include <stdlib.h>
New function initdb().
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const char *default_srv_config = "{"
"\"host\": \"\","
"\"prefix\": \"\","
"\"address\": \"127.0.0.1\","
"\"port\": 8001,"
New function db_upgrade().
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"\"layout\": 0.0,"
New function initdb().
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"\"dbglevel\": 0,"
"\"queue_retry_minutes\": 2,"
"\"queue_retry_max\": 10,"
"\"cssurls\": [\"\"],"
Set default max_timeline_entries to 128.
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"\"max_timeline_entries\": 128,"
Added local timeline purging.
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"\"timeline_purge_days\": 120,"
"\"local_purge_days\": 0"
New function initdb().
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"}";
const char *default_css =
"body { max-width: 48em; margin: auto; line-height: 1.5; padding: 0.8em }\n"
"img { max-width: 100% }\n"
".snac-origin { font-size: 85% }\n"
Updated default CSS.
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".snac-score { float: right; font-size: 85% }\n"
New function initdb().
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".snac-top-user { text-align: center; padding-bottom: 2em }\n"
".snac-top-user-name { font-size: 200% }\n"
".snac-top-user-id { font-size: 150% }\n"
".snac-avatar { float: left; height: 2.5em; padding: 0.25em }\n"
".snac-author { font-size: 90% }\n"
".snac-pubdate { color: #a0a0a0; font-size: 90% }\n"
".snac-top-controls { padding-bottom: 1.5em }\n"
".snac-post { border-top: 1px solid #a0a0a0; }\n"
".snac-children { padding-left: 2em; border-left: 1px solid #a0a0a0; }\n"
".snac-textarea { font-family: inherit; width: 100% }\n"
".snac-history { border: 1px solid #606060; border-radius: 3px; margin: 2.5em 0; padding: 0 2em }\n"
".snac-btn-mute { float: right; margin-left: 0.5em }\n"
Align the 'Unmute' button to the right in the default CSS.
2022-11-03 07:35:53 +00:00
".snac-btn-unmute { float: right; margin-left: 0.5em }\n"
New function initdb().
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".snac-btn-follow { float: right; margin-left: 0.5em }\n"
".snac-btn-unfollow { float: right; margin-left: 0.5em }\n"
New 'Hide' button.
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".snac-btn-hide { float: right; margin-left: 0.5em }\n"
New function initdb().
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".snac-btn-delete { float: right; margin-left: 0.5em }\n"
".snac-footer { margin-top: 2em; font-size: 75% }\n";
const char *greeting_html =
"<!DOCTYPE html>\n"
"<html><head>\n"
"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/>\n"
"<title>Welcome to %host%</title>\n"
"<body style=\"margin: auto; max-width: 50em\">\n"
"<h1>Welcome to %host%</h1>\n"
"<p>This is a <a href=\"https://en.wikipedia.org/wiki/Fediverse\">Fediverse</a> instance\n"
"that uses the <a href=\"https://en.wikipedia.org/wiki/ActivityPub\">ActivityPub</a> protocol.\n"
"In other words, users at this host can communicate with people that use software like\n"
"Mastodon, Pleroma, Friendica, etc. all around the world.</p>\n"
"\n"
"<p>There is no automatic sign up process for this server. If you want to be a part of\n"
"this community, please write an email to\n"
"\n"
"the administrator of this instance\n"
"\n"
"and ask politely indicating what is your preferred user id (alphanumeric characters\n"
"only) and the full name you want to appear as.</p>\n"
"\n"
"<p>The following users are already part of this community:</p>\n"
"\n"
"%userlist%\n"
"\n"
"<p>This site is powered by <abbr title=\"Social Networks Are Crap\">snac</abbr>.</p>\n"
"</body></html>\n";
int initdb(const char *basedir)
{
FILE *f;
if (basedir == NULL) {
printf("Base directory:\n");
Backport from xs.
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srv_basedir = xs_strip_i(xs_readline(stdin));
New function initdb().
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}
else
srv_basedir = xs_str_new(basedir);
if (srv_basedir == NULL || *srv_basedir == '\0')
return 1;
if (xs_endswith(srv_basedir, "/"))
Backport from xs.
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srv_basedir = xs_crop_i(srv_basedir, 0, -1);
New function initdb().
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if (mtime(srv_basedir) != 0.0) {
printf("ERROR: directory '%s' must not exist\n", srv_basedir);
return 1;
}
srv_config = xs_json_loads(default_srv_config);
New function db_upgrade().
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xs *layout = xs_number_new(db_layout);
srv_config = xs_dict_set(srv_config, "layout", layout);
New function initdb().
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printf("Network address [%s]:\n", xs_dict_get(srv_config, "address"));
{
Backport from xs.
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xs *i = xs_strip_i(xs_readline(stdin));
New function initdb().
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if (*i)
srv_config = xs_dict_set(srv_config, "address", i);
}
printf("Network port [%d]:\n", (int)xs_number_get(xs_dict_get(srv_config, "port")));
{
Backport from xs.
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xs *i = xs_strip_i(xs_readline(stdin));
New function initdb().
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if (*i) {
xs *n = xs_number_new(atoi(i));
Fixed typo in initdb().
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srv_config = xs_dict_set(srv_config, "port", n);
New function initdb().
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}
}
printf("Host name:\n");
{
Backport from xs.
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xs *i = xs_strip_i(xs_readline(stdin));
New function initdb().
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if (*i == '\0')
return 1;
srv_config = xs_dict_set(srv_config, "host", i);
}
printf("URL prefix:\n");
{
Backport from xs.
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xs *i = xs_strip_i(xs_readline(stdin));
New function initdb().
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if (*i) {
if (xs_endswith(i, "/"))
Backport from xs.
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i = xs_crop_i(i, 0, -1);
New function initdb().
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srv_config = xs_dict_set(srv_config, "prefix", i);
}
}
if (mkdir(srv_basedir, 0755) == -1) {
printf("ERROR: cannot create directory '%s'\n", srv_basedir);
return 1;
}
xs *udir = xs_fmt("%s/user", srv_basedir);
mkdir(udir, 0755);
New function db_upgrade().
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xs *odir = xs_fmt("%s/object", srv_basedir);
mkdir(odir, 0755);
New function initdb().
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xs *gfn = xs_fmt("%s/greeting.html", srv_basedir);
if ((f = fopen(gfn, "w")) == NULL) {
printf("ERROR: cannot create '%s'\n", gfn);
return 1;
}
fwrite(greeting_html, strlen(greeting_html), 1, f);
fclose(f);
xs *sfn = xs_fmt("%s/style.css", srv_basedir);
if ((f = fopen(sfn, "w")) == NULL) {
printf("ERROR: cannot create '%s'\n", sfn);
return 1;
}
fwrite(default_css, strlen(default_css), 1, f);
fclose(f);
xs *cfn = xs_fmt("%s/server.json", srv_basedir);
if ((f = fopen(cfn, "w")) == NULL) {
printf("ERROR: cannot create '%s'\n", cfn);
return 1;
}
xs *j = xs_json_dumps_pp(srv_config, 4);
fwrite(j, strlen(j), 1, f);
fclose(f);
printf("Done.\n");
return 0;
}
New function adduser().
2022-10-04 07:40:16 +00:00
New function new_password().
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void new_password(const char *uid, d_char **clear_pwd, d_char **hashed_pwd)
/* creates a random password */
{
int rndbuf[3];
srandom(time(NULL) ^ getpid());
rndbuf[0] = random() & 0xffffffff;
rndbuf[1] = random() & 0xffffffff;
rndbuf[2] = random() & 0xffffffff;
*clear_pwd = xs_base64_enc((char *)rndbuf, sizeof(rndbuf));
*hashed_pwd = hash_password(uid, *clear_pwd, NULL);
}
int adduser(const char *uid)
New function adduser().
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/* creates a new user */
{
snac snac;
xs *config = xs_dict_new();
xs *date = xs_str_utctime(0, "%Y-%m-%dT%H:%M:%SZ");
xs *pwd = NULL;
xs *pwd_f = NULL;
xs *key = NULL;
FILE *f;
if (uid == NULL) {
printf("User id:\n");
Backport from xs.
2023-01-12 08:28:02 +00:00
uid = xs_strip_i(xs_readline(stdin));
New function adduser().
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}
if (!validate_uid(uid)) {
printf("ERROR: only alphanumeric characters and _ are allowed in user ids.\n");
return 1;
}
if (user_open(&snac, uid)) {
printf("ERROR: user '%s' already exists\n", uid);
return 1;
}
New function new_password().
2022-12-04 20:14:18 +00:00
new_password(uid, &pwd, &pwd_f);
New function adduser().
2022-10-04 07:40:16 +00:00
config = xs_dict_append(config, "uid", uid);
config = xs_dict_append(config, "name", uid);
config = xs_dict_append(config, "avatar", "");
config = xs_dict_append(config, "bio", "");
Add an option to always show sensitive content - add a cw key to user.json - add a cw checkbox to user setup form - handle the cw parameter when updating user setup - when rendering an entry, look at the cw config: if set, use a h3 heading for the summary; otherwise use details + summar + SENSITIVE CONTENT like before
2022-12-02 08:55:25 +00:00
config = xs_dict_append(config, "cw", "");
New function adduser().
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config = xs_dict_append(config, "published", date);
Fixed bug.
2022-10-04 07:52:41 +00:00
config = xs_dict_append(config, "passwd", pwd_f);
New function adduser().
2022-10-04 07:40:16 +00:00
xs *basedir = xs_fmt("%s/user/%s", srv_basedir, uid);
if (mkdir(basedir, 0755) == -1) {
printf("ERROR: cannot create directory '%s'\n", basedir);
return 0;
}
const char *dirs[] = {
Don't create obsolete directories in adduser().
2022-12-04 06:19:45 +00:00
"followers", "following", "muted", "hidden",
Do hard links to objects in each user's public and private caches.
2022-11-25 16:26:12 +00:00
"public", "private", "queue", "history",
Don't create obsolete directories in adduser().
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"static", NULL };
New function adduser().
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int n;
for (n = 0; dirs[n]; n++) {
xs *d = xs_fmt("%s/%s", basedir, dirs[n]);
mkdir(d, 0755);
}
xs *scssfn = xs_fmt("%s/style.css", srv_basedir);
xs *ucssfn = xs_fmt("%s/static/style.css", basedir);
if ((f = fopen(scssfn, "r")) != NULL) {
FILE *i;
if ((i = fopen(ucssfn, "w")) == NULL) {
printf("ERROR: cannot create file '%s'\n", ucssfn);
return 1;
}
else {
xs *c = xs_readall(f);
fwrite(c, strlen(c), 1, i);
fclose(i);
}
fclose(f);
}
xs *cfn = xs_fmt("%s/user.json", basedir);
if ((f = fopen(cfn, "w")) == NULL) {
printf("ERROR: cannot create '%s'\n", cfn);
return 1;
}
else {
xs *j = xs_json_dumps_pp(config, 4);
fwrite(j, strlen(j), 1, f);
fclose(f);
}
printf("\nCreating RSA key...\n");
key = xs_rsa_genkey(4096);
printf("Done.\n");
xs *kfn = xs_fmt("%s/key.json", basedir);
if ((f = fopen(kfn, "w")) == NULL) {
printf("ERROR: cannot create '%s'\n", kfn);
return 1;
}
else {
xs *j = xs_json_dumps_pp(key, 4);
fwrite(j, strlen(j), 1, f);
fclose(f);
}
printf("\nUser password is %s\n", pwd);
Some adduser message rewording.
2022-11-10 21:50:58 +00:00
printf("\nGo to %s/%s and continue configuring your user there.\n", srv_baseurl, uid);
New function adduser().
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return 0;
}
New command line option 'resetpwd'.
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int resetpwd(snac *snac)
/* creates a new password for the user */
{
xs *clear_pwd = NULL;
xs *hashed_pwd = NULL;
xs *fn = xs_fmt("%s/user.json", snac->basedir);
FILE *f;
int ret = 0;
new_password(snac->uid, &clear_pwd, &hashed_pwd);
snac->config = xs_dict_set(snac->config, "passwd", hashed_pwd);
if ((f = fopen(fn, "w")) != NULL) {
xs *j = xs_json_dumps_pp(snac->config, 4);
fwrite(j, strlen(j), 1, f);
fclose(f);
printf("New password for user %s is %s\n", snac->uid, clear_pwd);
}
else {
printf("ERROR: cannot write to %s\n", fn);
ret = 1;
}
return ret;
}
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