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/* ui-snapshot.c: generate snapshot of a commit
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"

static int write_compressed_tar_archive(struct archiver_args *args,const char *filter)
{
	int rw[2];
	pid_t gzpid;
	int stdout2;
	int status;
	int rv;

	stdout2 = chk_non_negative(dup(STDIN_FILENO), "Preserving STDOUT before compressing");
	chk_zero(pipe(rw), "Opening pipe from compressor subprocess");
	gzpid = chk_non_negative(fork(), "Forking compressor subprocess");
	if(gzpid==0) {
		/* child */
		chk_zero(close(rw[1]), "Closing write end of pipe in child");
		chk_zero(close(STDIN_FILENO), "Closing STDIN");
		chk_non_negative(dup2(rw[0],STDIN_FILENO), "Redirecting compressor input to stdin");
		execlp(filter,filter,NULL);
		_exit(-1);
	}
	/* parent */
	chk_zero(close(rw[0]), "Closing read end of pipe");
	chk_non_negative(dup2(rw[1],STDOUT_FILENO), "Redirecting output to compressor");
	
	rv = pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/* ui-shared.c: common web output functions
 *
 * Copyright (C) 2006 Lars Hjemli
 *
 * Licensed under GNU General Public License v2
 *   (see COPYING for full license text)
 */

#include "cgit.h"

const char cgit_doctype[] =
"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n"
"  \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";

static char *http_date(time_t t)
{
	static char day[][4] =
		{"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
	static char month[][4] =
		{"Jan", "Feb", "Mar", "Apr", "May", "Jun",
		 "Jul", "Aug", "Sep", "Oct", "Now", "Dec"};
	struct tm *tm = gmtime(&t);
	return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
		   tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
		   tm->tm_hour, tm->tm_min, tm->tm_sec);
}

static long ttl_seconds(long ttl)
{
	if (ttl<0)
		return 60 * 60 * 24 * 365;
	else
		return ttl * 60;
}

void cgit_print_error(char *msg)
{
	html("<div class='error'>");
	html_txt(msg);
	html("</div>\n");
}

char *cgit_rooturl()
{
	if (cgit_virtual_root)
		return fmt("%s/", cgit_virtual_root);
	else
		return cgit_script_name;
}

char *cgit_repourl(const char *reponame)
{
	if (cgit_virtual_root) {
		return fmt("%s/%s/", cgit_virtual_root, reponame);
	} else {
		return fmt("?r=%s", reponame);
	}
}

char *cgit_fileurl(const char *reponame, const char *pagename,
		   const char *filename, const char *query)
{
	if (cgit_virtual_root) {
		if (query)
			return fmt("%s/%s/%s/%s?%s", cgit_virtual_root, reponame,
				   pagename, filename?filename:"", query);
		else
			return fmt("%s/%s/%s/", cgit_virtual_root, reponame,
				   pagename);
	} else {
		if (query
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-04-06 16:11:59 +0000
an>, pagename, query); else return fmt("?r=%s&amp;p=%s", reponame, pagename); } } char *cgit_pageurl(const char *reponame, const char *pagename, const char *query) { return cgit_fileurl(reponame,pagename,0,query); } const char *cgit_repobasename(const char *reponame) { /* I assume we don't need to store more than one repo basename */ static char rvbuf[1024]; int p; const char *rv; strncpy(rvbuf,reponame,sizeof(rvbuf)); if(rvbuf[sizeof(rvbuf)-1]) die("cgit_repobasename: truncated repository name '%s'", reponame); p = strlen(rvbuf)-1; /* strip trailing slashes */ while(p && rvbuf[p]=='/') rvbuf[p--]=0; /* strip trailing .git */ if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) { p -= 3; rvbuf[p--] = 0; } /* strip more trailing slashes if any */ while( p && rvbuf[p]=='/') rvbuf[p--]=0; /* find last slash in the remaining string */ rv = strrchr(rvbuf,'/'); if(rv) return ++rv; return rvbuf; } char *cgit_currurl() { if (!cgit_virtual_root) return cgit_script_name; else if (cgit_query_page) return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page); else if (cgit_query_repo) return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo); else return fmt("%s/", cgit_virtual_root); } static char *repolink(char *title, char *class, char *page, char *head, char *path) { char *delim = "?"; html("<a"); if (title) { html(" title='"); html_attr(title); html("'"); } if (class) { html(" class='"); html_attr(class); html("'"); } html(" href='"); if (cgit_virtual_root) { html_attr(cgit_virtual_root); if (cgit_virtual_root[strlen(cgit_virtual_root) - 1] != '/') html("/"); html_attr(cgit_repo->url); if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/') html("/"); if (page) { html(page); html("/"); if (path) html_attr(path); } } else { html(cgit_script_name); html("?url="); html_attr(cgit_repo->url); if (cgit_repo->url[strlen(cgit_repo->url) - 1] != '/') html("/"); if (page) { html(page); html("/"); if (path) html_attr(path); } delim = "&amp;"; } if (head && strcmp(head, cgit_repo->defbranch)) { html(delim); html("h="); html_attr(head); delim = "&amp;"; } return fmt("%s", delim); } static void reporevlink(char *page, char *name, char *title, char *class, char *head, char *rev, char *path) { char *delim; delim = repolink(title, class, page, head, path); if (rev && strcmp(rev, cgit_query_head)) { html(delim); html("id="); html_attr(rev); } html("'>"); html_txt(name); html("</a>"); } void cgit_tree_link(char *name, char *title, char *class, char *head, char *rev, char *path) { reporevlink("tree", name, title, class, head, rev, path); } void cgit_log_link(char *name, char *title, char *class, char *head, char *rev, char *path, int ofs) { char *delim; delim = repolink(title, class, "log", head, path); if (rev && strcmp(rev, cgit_query_head)) { html(delim); html("id="); html_attr(rev); delim = "&"; } if (ofs > 0) { html(delim); html("ofs="); htmlf("%d", ofs); } html("'>"); html_txt(name); html("</a>"); } void cgit_commit_link(char *name, char *title, char *class, char *head, char *rev) { if (strlen(name) > cgit_max_msg_len && cgit_max_msg_len >= 15) { name[cgit_max_msg_len] = '\0'; name[cgit_max_msg_len - 1] = '.'; name[cgit_max_msg_len - 2] = '.'; name[cgit_max_msg_len - 3] = '.'; } reporevlink("commit", name, title, class, head, rev, NULL); } void cgit_snapshot_link(char *name, char *title, char *class, char *head, char *rev, char *archivename) { reporevlink("snapshot", name, title, class, head, rev, archivename); } void cgit_diff_link(char *name, char *title, char *class, char *head, char *new_rev, char *old_rev, char *path) { char *delim; delim = repolink(title, class, "diff", head, path); if (new_rev && strcmp(new_rev, cgit_query_head)) { html(delim); html("id="); html_attr(new_rev); delim = "&amp;"; } if (old_rev) { html(delim); html("id2="); html_attr(old_rev); } html("'>"); html_txt(name); html("</a>"); } void cgit_object_link(struct object *obj) { char *page, *arg, *url; if (obj->type == OBJ_COMMIT) { cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL, cgit_query_head, sha1_to_hex(obj->sha1)); return; } else if (obj->type == OBJ_TREE) { page = "tree"; arg = "id"; } else { page = "blob"; arg = "id"; } url = cgit_pageurl(cgit_query_repo, page, fmt("%s=%s", arg, sha1_to_hex(obj->sha1))); html_link_open(url, NULL, NULL); htmlf("%s %s", typename(obj->type), sha1_to_hex(obj->sha1)); html_link_close(); } void cgit_print_date(time_t secs, char *format) { char buf[64]; struct tm *time; time = gmtime(&secs); strftime(buf, sizeof(buf)-1, format, time); html_txt(buf); } void cgit_print_age(time_t t, time_t max_relative, char *format) { time_t now, secs; time(&now); secs = now - t; if (secs > max_relative && max_relative >= 0) { cgit_print_date(t, format); return; } if (secs < TM_HOUR * 2) { htmlf("<span class='age-mins'>%.0f min.</span>", secs * 1.0 / TM_MIN); return; } if (secs < TM_DAY * 2) { htmlf("<span class='age-hours'>%.0f hours</span>", secs * 1.0 / TM_HOUR); return; } if (secs < TM_WEEK * 2) { htmlf("<span class='age-days'>%.0f days</span>", secs * 1.0 / TM_DAY); return; } if (secs < TM_MONTH * 2) { htmlf("<span class='age-weeks'>%.0f weeks</span>", secs * 1.0 / TM_WEEK); return; } if (secs < TM_YEAR * 2) { htmlf("<span class='age-months'>%.0f months</span>", secs * 1.0 / TM_MONTH); return; } htmlf("<span class='age-years'>%.0f years</span>", secs * 1.0 / TM_YEAR); } void cgit_print_docstart(char *title, struct cacheitem *item) { html("Content-Type: text/html; charset=utf-8\n"); htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime)); htmlf("Expires: %s\n", http_date(item->st.st_mtime + ttl_seconds(item->ttl))); html("\n"); html(cgit_doctype); html("<html>\n"); html("<head>\n"); html("<title>"); html_txt(title); html("</title>\n"); htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version); html("<link rel='stylesheet' type='text/css' href='"); html_attr(cgit_css); html("'/>\n"); html("</head>\n"); html("<body>\n"); } void cgit_print_docend() { html("</td></tr></table>"); html("</body>\n</html>\n"); } void cgit_print_pageheader(char *title, int show_search) { html("<table id='layout'>"); html("<tr><td id='header'><a href='"); html_attr(cgit_rooturl()); html("'>"); html_txt(cgit_root_title); html("</a></td><td id='logo'>"); html("<a href='"); html_attr(cgit_logo_link); htmlf("'><img src='%s' alt='logo'/></a>", cgit_logo); html("</td></tr>"); html("<tr><td id='crumb'>"); if (cgit_query_repo) { html_txt(cgit_repo->name); html(" ("); html_txt(cgit_query_head); html(") : &nbsp;"); reporevlink(NULL, "summary", NULL, NULL, cgit_query_head, NULL, NULL); html(" "); cgit_log_link("log", NULL, NULL, cgit_query_head, cgit_query_sha1, cgit_query_path, 0); html(" "); cgit_tree_link("tree", NULL, NULL, cgit_query_head, cgit_query_sha1, NULL); html(" "); cgit_commit_link("commit", NULL, NULL, cgit_query_head, cgit_query_sha1); html(" "); cgit_diff_link("diff", NULL, NULL, cgit_query_head, cgit_query_sha1, cgit_query_sha2, cgit_query_path); } else { html_txt("Index of repositories"); } html("</td>"); html("<td id='search'>"); if (show_search) { html("<form method='get' action='"); html_attr(cgit_currurl()); html("'>"); if (!cgit_virtual_root) { if (cgit_query_repo) html_hidden("r", cgit_query_repo); if (cgit_query_page) html_hidden("p", cgit_query_page); } if (cgit_query_head) html_hidden("h", cgit_query_head); if (cgit_query_sha1) html_hidden("id", cgit_query_sha1); if (cgit_query_sha2) html_hidden("id2", cgit_query_sha2); html("<input type='text' name='q' value='"); html_attr(cgit_query_search); html("'/></form>"); } html("</td></tr>"); html("<tr><td id='content' colspan='2'>"); } void cgit_print_snapshot_start(const char *mimetype, const char *filename, struct cacheitem *item) { htmlf("Content-Type: %s\n", mimetype); htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename); htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime)); htmlf("Expires: %s\n", http_date(item->st.st_mtime + ttl_seconds(item->ttl))); html("\n"); } /* vim:set sw=8: */