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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.
2022-12-03 19:09:45 +00:00
"\"max_timeline_entries\": 128,"
Added local timeline purging.
2022-11-12 07:26:26 +00:00
"\"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"
The default greeting.html now include %admin_email%.
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"this community, please write an email to %admin_email%\n"
New function initdb().
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"and ask politely indicating what is your preferred user id (alphanumeric characters\n"
The default greeting.html now include %admin_email%.
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"only).</p>\n"
New function initdb().
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"\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";
More symbol renaming.
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int snac_init(const char *basedir)
New function initdb().
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{
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);
Some symbol renaming.
2023-01-31 17:33:45 +00:00
xs *layout = xs_number_new(disk_layout);
New function db_upgrade().
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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);
}
}
snac_init() now prompts for the admin_address.
2023-04-20 16:19:12 +00:00
printf("Admin email address (optional):\n");
{
xs *i = xs_strip_i(xs_readline(stdin));
srv_config = xs_dict_set(srv_config, "admin_email", i);
}
New utility function mkdirx().
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if (mkdirx(srv_basedir) == -1) {
New function initdb().
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printf("ERROR: cannot create directory '%s'\n", srv_basedir);
return 1;
}
xs *udir = xs_fmt("%s/user", srv_basedir);
New utility function mkdirx().
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mkdirx(udir);
New function initdb().
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New function db_upgrade().
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xs *odir = xs_fmt("%s/object", srv_basedir);
New utility function mkdirx().
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mkdirx(odir);
New function db_upgrade().
2022-11-23 12:32:23 +00:00
More symbol renaming.
2023-01-31 17:38:56 +00:00
xs *qdir = xs_fmt("%s/queue", srv_basedir);
New utility function mkdirx().
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mkdirx(qdir);
More symbol renaming.
2023-01-31 17:38:56 +00:00
New inbox collection functions.
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xs *ibdir = xs_fmt("%s/inbox", srv_basedir);
mkdirx(ibdir);
New function initdb().
2022-10-04 06:51:24 +00:00
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];
arc4random() does not exist in not-so-old systems, so revert this. Revert "Replaced random() with arc4random()." This reverts commit f658f345cac7b24d6fa61f08b4ec09823d28b11a.
2023-04-16 18:27:38 +00:00
srandom(time(NULL) ^ getpid());
rndbuf[0] = random() & 0xffffffff;
rndbuf[1] = random() & 0xffffffff;
rndbuf[2] = random() & 0xffffffff;
New function new_password().
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*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().
2022-10-04 07:40:16 +00:00
/* 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.
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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().
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new_password(uid, &pwd, &pwd_f);
New function adduser().
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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);
New utility function mkdirx().
2023-02-07 08:25:01 +00:00
if (mkdirx(basedir) == -1) {
New function adduser().
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printf("ERROR: cannot create directory '%s'\n", basedir);
return 0;
}
const char *dirs[] = {
Don't create obsolete directories in adduser().
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"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]);
New utility function mkdirx().
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mkdirx(d);
New function adduser().
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}
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");
Deleted OpenSSL that uses deprecated functions.
2023-04-01 01:56:37 +00:00
key = xs_evp_genkey(4096);
New function adduser().
2022-10-04 07:40:16 +00:00
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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