New file rss.c.

5 files changed, 118 insertions, 107 deletions

diff --git a/Makefile b/Makefile
index 46fdb09..bb4029c 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@ CFLAGS?=-g -Wall -Wextra -pedantic
 all: snac
 
 snac: snac.o main.o sandbox.o data.o http.o httpd.o webfinger.o \
-    activitypub.o html.o utils.o format.o upgrade.o mastoapi.o
+    activitypub.o html.o utils.o format.o upgrade.o mastoapi.o rss.o
         $(CC) $(CFLAGS) -L$(PREFIX)/lib *.o -lcurl -lcrypto $(LDFLAGS) -pthread -o $@
 
 test: tests/smtp
@@ -48,12 +48,12 @@ update-po:
 
 activitypub.o: activitypub.c xs.h xs_json.h xs_curl.h xs_mime.h \
  xs_openssl.h xs_regex.h xs_time.h xs_set.h xs_match.h xs_unicode.h \
- snac.h http_codes.h
+ xs_webmention.h snac.h http_codes.h
 data.o: data.c xs.h xs_hex.h xs_io.h xs_json.h xs_openssl.h xs_glob.h \
  xs_set.h xs_time.h xs_regex.h xs_match.h xs_unicode.h xs_random.h \
  xs_po.h snac.h http_codes.h
 format.o: format.c xs.h xs_regex.h xs_mime.h xs_html.h xs_json.h \
- xs_time.h xs_match.h snac.h http_codes.h
+ xs_time.h xs_match.h xs_unicode.h snac.h http_codes.h
 html.o: html.c xs.h xs_io.h xs_json.h xs_regex.h xs_set.h xs_openssl.h \
  xs_time.h xs_mime.h xs_match.h xs_html.h xs_curl.h xs_unicode.h xs_url.h \
  xs_random.h snac.h http_codes.h
@@ -66,7 +66,8 @@ main.o: main.c xs.h xs_io.h xs_json.h xs_time.h xs_openssl.h xs_match.h \
  snac.h http_codes.h
 mastoapi.o: mastoapi.c xs.h xs_hex.h xs_openssl.h xs_json.h xs_io.h \
  xs_time.h xs_glob.h xs_set.h xs_random.h xs_url.h xs_mime.h xs_match.h \
- snac.h http_codes.h
+ xs_unicode.h snac.h http_codes.h
+rss.o: rss.c xs.h xs_html.h xs_regex.h xs_time.h snac.h http_codes.h
 sandbox.o: sandbox.c xs.h snac.h http_codes.h
 snac.o: snac.c xs.h xs_hex.h xs_io.h xs_unicode_tbl.h xs_unicode.h \
  xs_json.h xs_curl.h xs_openssl.h xs_socket.h xs_unix_socket.h xs_url.h \
diff --git a/Makefile.NetBSD b/Makefile.NetBSD
index ecf8205..a2bf83c 100644
--- a/Makefile.NetBSD
+++ b/Makefile.NetBSD
@@ -6,7 +6,7 @@ LDFLAGS=-lrt
 all: snac
 
 snac: snac.o main.o sandbox.o data.o http.o httpd.o webfinger.o \
-    activitypub.o html.o utils.o format.o upgrade.o mastoapi.o
+    activitypub.o html.o utils.o format.o upgrade.o mastoapi.o rss.o
         $(CC) $(CFLAGS) -L/usr/pkg/lib *.o -lcurl -lcrypto -pthread $(LDFLAGS) -Wl,-rpath,/usr/lib -Wl,-rpath,/usr/pkg/lib -o $@
 
 
@@ -37,12 +37,12 @@ uninstall:
 
 activitypub.o: activitypub.c xs.h xs_json.h xs_curl.h xs_mime.h \
  xs_openssl.h xs_regex.h xs_time.h xs_set.h xs_match.h xs_unicode.h \
- snac.h http_codes.h
+ xs_webmention.h snac.h http_codes.h
 data.o: data.c xs.h xs_hex.h xs_io.h xs_json.h xs_openssl.h xs_glob.h \
  xs_set.h xs_time.h xs_regex.h xs_match.h xs_unicode.h xs_random.h \
  xs_po.h snac.h http_codes.h
 format.o: format.c xs.h xs_regex.h xs_mime.h xs_html.h xs_json.h \
- xs_time.h xs_match.h snac.h http_codes.h
+ xs_time.h xs_match.h xs_unicode.h snac.h http_codes.h
 html.o: html.c xs.h xs_io.h xs_json.h xs_regex.h xs_set.h xs_openssl.h \
  xs_time.h xs_mime.h xs_match.h xs_html.h xs_curl.h xs_unicode.h xs_url.h \
  xs_random.h snac.h http_codes.h
@@ -55,7 +55,8 @@ main.o: main.c xs.h xs_io.h xs_json.h xs_time.h xs_openssl.h xs_match.h \
  snac.h http_codes.h
 mastoapi.o: mastoapi.c xs.h xs_hex.h xs_openssl.h xs_json.h xs_io.h \
  xs_time.h xs_glob.h xs_set.h xs_random.h xs_url.h xs_mime.h xs_match.h \
- snac.h http_codes.h
+ xs_unicode.h snac.h http_codes.h
+rss.o: rss.c xs.h xs_html.h xs_regex.h xs_time.h snac.h http_codes.h
 sandbox.o: sandbox.c xs.h snac.h http_codes.h
 snac.o: snac.c xs.h xs_hex.h xs_io.h xs_unicode_tbl.h xs_unicode.h \
  xs_json.h xs_curl.h xs_openssl.h xs_socket.h xs_unix_socket.h xs_url.h \
diff --git a/html.c b/html.c
index d3d5075..fadcfb0 100644
--- a/html.c
+++ b/html.c
@@ -5020,100 +5020,3 @@ int html_post_handler(const xs_dict *req, const char *q_path,
 
     return status;
 }
-
-
-xs_str *rss_from_timeline(snac *user, const xs_list *timeline,
-                        const char *title, const char *link, const char *desc)
-/* converts a timeline to rss */
-{
-    xs_html *rss = xs_html_tag("rss",
-        xs_html_attr("xmlns:content", "http:/" "/purl.org/rss/1.0/modules/content/"),
-        xs_html_attr("version",       "2.0"),
-        xs_html_attr("xmlns:atom",    "http:/" "/www.w3.org/2005/Atom"));
-
-    xs_html *channel = xs_html_tag("channel",
-        xs_html_tag("title",
-            xs_html_text(title)),
-        xs_html_tag("language",
-            xs_html_text("en")),
-        xs_html_tag("link",
-            xs_html_text(link)),
-        xs_html_sctag("atom:link",
-            xs_html_attr("href", link),
-            xs_html_attr("rel", "self"),
-            xs_html_attr("type", "application/rss+xml")),
-        xs_html_tag("generator",
-            xs_html_text(USER_AGENT)),
-        xs_html_tag("description",
-            xs_html_text(desc)));
-
-    xs_html_add(rss, channel);
-
-    int cnt = 0;
-    const char *v;
-
-    xs_list_foreach(timeline, v) {
-        xs *msg = NULL;
-
-        if (user) {
-            if (!valid_status(timeline_get_by_md5(user, v, &msg)))
-                continue;
-        }
-        else {
-            if (!valid_status(object_get_by_md5(v, &msg)))
-                continue;
-        }
-
-        const char *id = xs_dict_get(msg, "id");
-        const char *content = xs_dict_get(msg, "content");
-        const char *published = xs_dict_get(msg, "published");
-
-        if (user && !xs_startswith(id, user->actor))
-            continue;
-
-        if (!id || !content || !published)
-            continue;
-
-        /* create a title with the first line of the content */
-        xs *title = xs_replace(content, "<br>", "\n");
-        title = xs_regex_replace_i(title, "<[^>]+>", " ");
-        title = xs_regex_replace_i(title, "&[^;]+;", " ");
-        int i;
-
-        for (i = 0; title[i] && title[i] != '\n' && i < 50; i++);
-
-        if (title[i] != '\0') {
-            title[i] = '\0';
-            title = xs_str_cat(title, "...");
-        }
-
-        title = xs_strip_i(title);
-
-        /* convert the date */
-        time_t t = xs_parse_iso_date(published, 0);
-        xs *rss_date = xs_str_utctime(t, "%a, %d %b %Y %T +0000");
-
-        /* if it's the first one, add it to the header */
-        if (cnt == 0)
-            xs_html_add(channel,
-                xs_html_tag("lastBuildDate",
-                    xs_html_text(rss_date)));
-
-        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("guid",
-                    xs_html_text(id)),
-                xs_html_tag("pubDate",
-                    xs_html_text(rss_date)),
-                xs_html_tag("description",
-                    xs_html_text(content))));
-
-        cnt++;
-    }
-
-    return xs_html_render_s(rss, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
-}
diff --git a/rss.c b/rss.c
new file mode 100644
index 0000000..61620fa
--- /dev/null
+++ b/rss.c
@@ -0,0 +1,105 @@
+/* snac - A simple, minimalistic ActivityPub instance */
+/* copyright (c) 2025 grunfink et al. / MIT license */
+
+#include "xs.h"
+#include "xs_html.h"
+#include "xs_regex.h"
+#include "xs_time.h"
+
+#include "snac.h"
+
+xs_str *rss_from_timeline(snac *user, const xs_list *timeline,
+                        const char *title, const char *link, const char *desc)
+/* converts a timeline to rss */
+{
+    xs_html *rss = xs_html_tag("rss",
+        xs_html_attr("xmlns:content", "http:/" "/purl.org/rss/1.0/modules/content/"),
+        xs_html_attr("version",       "2.0"),
+        xs_html_attr("xmlns:atom",    "http:/" "/www.w3.org/2005/Atom"));
+
+    xs_html *channel = xs_html_tag("channel",
+        xs_html_tag("title",
+            xs_html_text(title)),
+        xs_html_tag("language",
+            xs_html_text("en")),
+        xs_html_tag("link",
+            xs_html_text(link)),
+        xs_html_sctag("atom:link",
+            xs_html_attr("href", link),
+            xs_html_attr("rel", "self"),
+            xs_html_attr("type", "application/rss+xml")),
+        xs_html_tag("generator",
+            xs_html_text(USER_AGENT)),
+        xs_html_tag("description",
+            xs_html_text(desc)));
+
+    xs_html_add(rss, channel);
+
+    int cnt = 0;
+    const char *v;
+
+    xs_list_foreach(timeline, v) {
+        xs *msg = NULL;
+
+        if (user) {
+            if (!valid_status(timeline_get_by_md5(user, v, &msg)))
+                continue;
+        }
+        else {
+            if (!valid_status(object_get_by_md5(v, &msg)))
+                continue;
+        }
+
+        const char *id = xs_dict_get(msg, "id");
+        const char *content = xs_dict_get(msg, "content");
+        const char *published = xs_dict_get(msg, "published");
+
+        if (user && !xs_startswith(id, user->actor))
+            continue;
+
+        if (!id || !content || !published)
+            continue;
+
+        /* create a title with the first line of the content */
+        xs *title = xs_replace(content, "<br>", "\n");
+        title = xs_regex_replace_i(title, "<[^>]+>", " ");
+        title = xs_regex_replace_i(title, "&[^;]+;", " ");
+        int i;
+
+        for (i = 0; title[i] && title[i] != '\n' && i < 50; i++);
+
+        if (title[i] != '\0') {
+            title[i] = '\0';
+            title = xs_str_cat(title, "...");
+        }
+
+        title = xs_strip_i(title);
+
+        /* convert the date */
+        time_t t = xs_parse_iso_date(published, 0);
+        xs *rss_date = xs_str_utctime(t, "%a, %d %b %Y %T +0000");
+
+        /* if it's the first one, add it to the header */
+        if (cnt == 0)
+            xs_html_add(channel,
+                xs_html_tag("lastBuildDate",
+                    xs_html_text(rss_date)));
+
+        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("guid",
+                    xs_html_text(id)),
+                xs_html_tag("pubDate",
+                    xs_html_text(rss_date)),
+                xs_html_tag("description",
+                    xs_html_text(content))));
+
+        cnt++;
+    }
+
+    return xs_html_render_s(rss, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+}
diff --git a/snac.h b/snac.h
index 9a5aca0..f95ba4d 100644
--- a/snac.h
+++ b/snac.h
@@ -395,8 +395,6 @@ int html_get_handler(const xs_dict *req, const char *q_path,
 int html_post_handler(const xs_dict *req, const char *q_path,
                       char *payload, int p_size,
                       char **body, int *b_size, char **ctype);
-xs_str *rss_from_timeline(snac *user, const xs_list *timeline,
-                        const char *title, const char *link, const char *desc);
 
 int write_default_css(void);
 int snac_init(const char *_basedir);
@@ -462,3 +460,6 @@ int badlogin_check(const char *user, const char *addr);
 void badlogin_inc(const char *user, const char *addr);
 
 const char *lang_str(const char *str, const snac *user);
+
+xs_str *rss_from_timeline(snac *user, const xs_list *timeline,
+                        const char *title, const char *link, const char *desc);