New function initdb().

author: default <nobody@localhost> 2022-10-04 08:51:24 +0200
committer: default <nobody@localhost> 2022-10-04 08:51:24 +0200
commit: 4bb40857b23a57c5be581a5f33591954e2298344 (patch)
tree: 476205329eec92ff7ded1af31cb0e75ec517fb75
parent: 417be716e5d448879c5ae16f2e9bb723a8916077 (diff)
4 files changed, 180 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 87ff32d..1a3e6a6 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ CFLAGS=-g -Wall
 
 all: snac
 
-snac: snac.o main.o data.o http.o httpd.o webfinger.o activitypub.o html.o
+snac: snac.o main.o data.o http.o httpd.o webfinger.o activitypub.o html.o utils.o
 	$(CC) -L/usr/local/lib *.o -lcurl -lcrypto -pthread -o $@
 
 .c.o:
@@ -27,4 +27,5 @@ main.o: main.c xs.h xs_io.h xs_encdec.h xs_json.h snac.h
 snac.o: snac.c xs.h xs_io.h xs_encdec.h xs_json.h xs_curl.h xs_openssl.h \
  xs_socket.h xs_httpd.h xs_mime.h xs_regex.h xs_set.h xs_time.h xs_glob.h \
  snac.h
+utils.o: utils.c xs.h xs_io.h xs_encdec.h xs_json.h snac.h
 webfinger.o: webfinger.c xs.h xs_encdec.h xs_json.h xs_curl.h snac.h
diff --git a/main.c b/main.c
index 9cfc007..64de82c 100644
--- a/main.c
+++ b/main.c
@@ -71,6 +71,8 @@ int main(int argc, char *argv[])
         /* ... */
         basedir = GET_ARGV();
 
+        initdb(basedir);
+
         return 0;
     }
 
diff --git a/snac.h b/snac.h
index ccb5eac..d9b2e3b 100644
--- a/snac.h
+++ b/snac.h
@@ -132,3 +132,5 @@ d_char *not_really_markdown(char *content, d_char **f_content);
 int html_get_handler(d_char *req, char *q_path, char **body, int *b_size, char **ctype);
 int html_post_handler(d_char *req, char *q_path, d_char *payload, int p_size,
                       char **body, int *b_size, char **ctype);
+
+int initdb(const char *_basedir);
diff --git a/utils.c b/utils.c
new file mode 100644
index 0000000..028f863
--- /dev/null
+++ b/utils.c
@@ -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;
+}
author	default <nobody@localhost>	2022-10-04 08:51:24 +0200
committer	default <nobody@localhost>	2022-10-04 08:51:24 +0200
commit	4bb40857b23a57c5be581a5f33591954e2298344 (patch)
tree	476205329eec92ff7ded1af31cb0e75ec517fb75
parent	417be716e5d448879c5ae16f2e9bb723a8916077 (diff)