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Diffstat (limited to 'utils.c')
| -rw-r--r-- | utils.c | 174 |
1 files changed, 174 insertions, 0 deletions
@@ -0,0 +1,174 @@ +/* snac - A simple, minimalistic ActivityPub instance */ +/* copyright (c) 2022 grunfink - MIT license */ + +#include "xs.h" +#include "xs_io.h" +#include "xs_encdec.h" +#include "xs_json.h" + +#include "snac.h" + +#include <sys/stat.h> + +const char *default_srv_config = "{" + "\"host\": \"\"," + "\"prefix\": \"\"," + "\"address\": \"127.0.0.1\"," + "\"port\": 8001," + "\"layout\": 2," + "\"dbglevel\": 0," + "\"queue_retry_minutes\": 2," + "\"queue_retry_max\": 10," + "\"cssurls\": [\"\"]," + "\"max_timeline_entries\": 256," + "\"timeline_purge_days\": 120" + "}"; + +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" + ".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" + ".snac-btn-follow { float: right; margin-left: 0.5em }\n" + ".snac-btn-unfollow { float: right; margin-left: 0.5em }\n" + ".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"); + srv_basedir = xs_strip(xs_readline(stdin)); + } + else + srv_basedir = xs_str_new(basedir); + + if (srv_basedir == NULL || *srv_basedir == '\0') + return 1; + + if (xs_endswith(srv_basedir, "/")) + srv_basedir = xs_crop(srv_basedir, 0, -1); + + 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); + + printf("Network address [%s]:\n", xs_dict_get(srv_config, "address")); + { + xs *i = xs_strip(xs_readline(stdin)); + 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"))); + { + xs *i = xs_strip(xs_readline(stdin)); + if (*i) { + xs *n = xs_number_new(atoi(i)); + srv_config = xs_dict_set(srv_config, "port", i); + } + } + + printf("Host name:\n"); + { + xs *i = xs_strip(xs_readline(stdin)); + if (*i == '\0') + return 1; + + srv_config = xs_dict_set(srv_config, "host", i); + } + + printf("URL prefix:\n"); + { + xs *i = xs_strip(xs_readline(stdin)); + + if (*i) { + if (xs_endswith(i, "/")) + i = xs_crop(i, 0, -1); + + 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); + + 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; +} |