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	youtube/cgi: add page with basic video information - frontends - front-ends for…
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	---
	commit 2237f8c69f34d8f48a37e34d1462d327b9ddc40d
	parent d8464a0a1169fc7b1ff0cea3a907b879a7230b47
	Author: Hiltjo Posthuma <[email protected]>
	Date: Sat, 25 Feb 2023 20:14:18 +0100

	youtube/cgi: add page with basic video information

	Diffstat:
	M youtube/cgi.c \| 161 +++++++++++++++++++++++++++--…

	1 file changed, 140 insertions(+), 21 deletions(-)
	---
	diff --git a/youtube/cgi.c b/youtube/cgi.c
	@@ -21,7 +21,9 @@ extern char **environ;
	static int curpage = 1;

	/* CGI parameters */
	-static char rawsearch[4096], search[4096], order[16], page[64], channelid[256]…
	+static char rawsearch[4096], search[4096], order[16], page[64];
	+static char videoid[256];
	+static char channelid[256], userid[256];

	void
	parsecgi(void)
	@@ -81,28 +83,32 @@ parsecgi(void)
	if (decodeparam(userid, sizeof(userid), p) == -1)
	userid[0] = '\0';
	}
	-}

	-int
	-render(struct search_response *r)
	-{
	- struct item *v;
	- char tmp[64];
	- size_t i;
	-
	- if (pledge("stdio", NULL) == -1) {
	- OUT("Status: 500 Internal Server Error\r\n\r\n");
	- exit(1);
	+ /* video ID */
	+ if ((p = getparam(query, "v"))) {
	+ if (decodeparam(videoid, sizeof(videoid), p) == -1)
	+ videoid[0] = '\0';
	}
	+}

	+void
	+header(void)
	+{
	OUT(
	"Content-Type: text/html; charset=utf-8\r\n\r\n"
	"<!DOCTYPE html>\n<html>\n<head>\n"
	"<meta name=\"referrer\" content=\"no-referrer\" />\n"
	- "<meta http-equiv=\"Content-Type\" content=\"text/html; charse…
	- "<title>Search: \"");
	+ "<meta http-equiv=\"Content-Type\" content=\"text/html; charse…
	+
	+ if (videoid[0]) {
	+ OUT("<title>Video: ");
	+ xmlencode(videoid);
	+ OUT("</title>");
	+ } else {
	+ OUT("<title>Search: \"");
	xmlencode(search);
	printf("\" sorted by %s</title>\n", order);
	+ }
	OUT(
	"<link rel=\"stylesheet\" href=\"css/style.css\" type=\"text/c…
	"<link rel=\"icon\" type=\"image/png\" href=\"/favicon.png\" /…
	@@ -133,6 +139,27 @@ render(struct search_response *r)
	"</tr>\n"
	"</table>\n"
	"</form>\n");
	+}
	+
	+void
	+footer(void)
	+{
	+ OUT("</body>\n</html>\n");
	+}
	+
	+int
	+render_search(struct search_response *r)
	+{
	+ struct item *v;
	+ char tmp[64];
	+ size_t i;
	+
	+ if (pledge("stdio", NULL) == -1) {
	+ OUT("Status: 500 Internal Server Error\r\n\r\n");
	+ exit(1);
	+ }
	+
	+ header();

	if (r && r->nitems) {
	OUT(
	@@ -163,7 +190,13 @@ render(struct search_response *r)
	if (v->id[0]) {
	OUT("<a href=\"https://www.youtube.com/embed/"…
	xmlencode(v->id);
	- printf("\" accesskey=\"%zu\">", i);
	+ printf("\" accesskey=\"%zu\"", i);
	+/* if (v->shortdescription[0]) {
	+ OUT(" title=\"");
	+ xmlencode(v->shortdescription);
	+ OUT("\"");
	+ }*/
	+ OUT(">");
	}

	switch (v->linktype) {
	@@ -187,6 +220,13 @@ render(struct search_response *r)
	if (v->id[0])
	OUT("</a>");

	+ /* link to video information */
	+ if (v->id[0]) {
	+ OUT(" <a href=\"?v=");
	+ xmlencode(v->id);
	+ OUT("\">[I]</a>");
	+ }
	+
	OUT(
	"</span><br/>\n"
	"\t\t<span class=\"channel\">");
	@@ -277,7 +317,76 @@ render(struct search_response *r)
	"</table>\n");
	}

	- OUT("</body>\n</html>\n");
	+ footer();
	+
	+ return 0;
	+}
	+
	+int
	+render_video(struct video_response *r)
	+{
	+ char buf[256];
	+
	+ if (pledge("stdio", NULL) == -1) {
	+ OUT("Status: 500 Internal Server Error\r\n\r\n");
	+ exit(1);
	+ }
	+
	+ header();
	+
	+ OUT("<pre>");
	+
	+ OUT("URL: ");
	+ OUT("https://www.youtube.com/embed/");
	+ xmlencode(r->id);
	+ OUT("\n");
	+
	+ OUT("Title: ");
	+ xmlencode(r->title);
	+ OUT("\n");
	+
	+ if (r->lengthseconds > 0) {
	+ OUT("Length: ");
	+ if (durationstr(r->lengthseconds, buf, sizeof(buf)) < sizeof(b…
	+ xmlencode(buf);
	+ OUT("\n");
	+ }
	+
	+ OUT("Views: ");
	+ printf("%ld", r->viewcount);
	+ OUT("\n");
	+
	+ if (r->publishdate[0]) {
	+ OUT("Published: ");
	+ xmlencode(r->publishdate);
	+ OUT("\n");
	+ }
	+
	+ if (r->uploaddate[0]) {
	+ OUT("Uploaded: ");
	+ xmlencode(r->uploaddate);
	+ OUT("\n");
	+ }
	+
	+ if (r->author[0]) {
	+ OUT("Channel: ");
	+ xmlencode(r->author);
	+ if (r->channelid[0]) {
	+ OUT(": https://www.youtube.com/feeds/videos.xml?channe…
	+ xmlencode(r->channelid);
	+ }
	+ OUT("\n");
	+ }
	+
	+ if (r->shortdescription[0]) {
	+ OUT("Description:\n\n");
	+ xmlencode(r->shortdescription);
	+ OUT("\n");
	+ }
	+
	+ OUT("</pre>");
	+
	+ footer();

	return 0;
	}
	@@ -286,6 +395,7 @@ int
	main(void)
	{
	struct search_response *r = NULL;
	+ struct video_response *vr = NULL;

	if (pledge("stdio dns inet rpath unveil", NULL) == -1 \|\|
	unveil(TLS_CA_CERT_FILE, "r") == -1 \|\|
	@@ -296,21 +406,30 @@ main(void)

	parsecgi();

	- if (rawsearch[0])
	+ if (rawsearch[0]) {
	r = youtube_search(rawsearch, page, order);
	- else if (channelid[0])
	+ } else if (channelid[0]) {
	r = youtube_channel_videos(channelid);
	- else if (userid[0])
	+ } else if (userid[0]) {
	r = youtube_user_videos(userid);
	- else
	+ } else if (videoid[0]) {
	+ vr = youtube_video(videoid);
	+ if (!vr \|\| vr->isfound == 0) {
	+ OUT("Status: 500 Internal Server Error\r\n\r\n");
	+ exit(1);
	+ }
	+ render_video(vr);
	+ return 0;
	+ } else {
	goto show;
	+ }
	if (!r \|\| r->nitems == 0) {
	OUT("Status: 500 Internal Server Error\r\n\r\n");
	exit(1);
	}

	show:
	- render(r);
	+ render_search(r);

	return 0;
	}