1 files changed, 23 insertions, 0 deletions
diff --git a/ui-shared.c b/ui-shared.c
index 197ee37..37c60b2 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -1,132 +1,147 @@
 /* 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"
 #include "cmd.h"
 #include "html.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);
 }
 void cgit_print_error(char *msg)
 {
        html("<div class='error'>");
        html_txt(msg);
        html("</div>\n");
 }
+char *cgit_hosturl()
+{
+        char *host, *port;
+        host = getenv("SERVER_NAME");
+        if (!host)
+                return NULL;
+        port = getenv("SERVER_PORT");
+        if (port && atoi(port) != 80)
+                host = xstrdup(fmt("%s:%d", host, atoi(port)));
+        else
+                host = xstrdup(host);
+        return host;
+}
 char *cgit_rooturl()
 {
        if (ctx.cfg.virtual_root)
                return fmt("%s/", ctx.cfg.virtual_root);
        else
                return ctx.cfg.script_name;
 }
 char *cgit_repourl(const char *reponame)
 {
        if (ctx.cfg.virtual_root) {
                return fmt("%s/%s/", ctx.cfg.virtual_root, reponame);
        } else {
                return fmt("?r=%s", reponame);
        }
 }
 char *cgit_fileurl(const char *reponame, const char *pagename,
                   const char *filename, const char *query)
 {
        char *tmp;
        char *delim;
        if (ctx.cfg.virtual_root) {
                tmp = fmt("%s/%s/%s/%s", ctx.cfg.virtual_root, reponame,
                          pagename, (filename ? filename:""));
                delim = "?";
        } else {
                tmp = fmt("?url=%s/%s/%s", reponame, pagename,
                          (filename ? filename : ""));
                delim = "&";
        }
        if (query)
                tmp = fmt("%s%s%s", tmp, delim, query);
        return tmp;
 }
 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 (!ctx.cfg.virtual_root)
                return ctx.cfg.script_name;
        else if (ctx.qry.page)
                return fmt("%s/%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo, ctx.qry.page);
        else if (ctx.qry.repo)
                return fmt("%s/%s/", ctx.cfg.virtual_root, ctx.qry.repo);
        else
                return fmt("%s/", ctx.cfg.virtual_root);
 }
 static void site_url(char *page, char *search, int ofs)
 {
        char *delim = "?";
        if (ctx.cfg.virtual_root) {
                html_attr(ctx.cfg.virtual_root);
                if (ctx.cfg.virtual_root[strlen(ctx.cfg.virtual_root) - 1] != '/')
                        html("/");
        } else
                html(ctx.cfg.script_name);
        if (page) {
                htmlf("?p=%s", page);
                delim = "&";
        }
        if (search) {
@@ -335,209 +350,217 @@ void cgit_object_link(struct object *obj)
                                 ctx.qry.head, sha1_to_hex(obj->sha1));
                return;
        } else if (obj->type == OBJ_TREE) {
                page = "tree";
                arg = "id";
        } else if (obj->type == OBJ_TAG) {
                page = "tag";
                arg = "id";
        } else {
                page = "blob";
                arg = "id";
        }
        url = cgit_pageurl(ctx.qry.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, int local_time)
 {
        char buf[64];
        struct tm *time;
        if (!secs)
                return;
        if(local_time)
                time = localtime(&secs);
        else
                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;
        if (!t)
                return;
        time(&now);
        secs = now - t;
        if (secs > max_relative && max_relative >= 0) {
                cgit_print_date(t, format, ctx.cfg.local_time);
                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_http_headers(struct cgit_context *ctx)
 {
        if (ctx->page.mimetype && ctx->page.charset)
                htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype,
                      ctx->page.charset);
        else if (ctx->page.mimetype)
                htmlf("Content-Type: %s\n", ctx->page.mimetype);
        if (ctx->page.filename)
                htmlf("Content-Disposition: inline; filename=\"%s\"\n",
                      ctx->page.filename);
        htmlf("Last-Modified: %s\n", http_date(ctx->page.modified));
        htmlf("Expires: %s\n", http_date(ctx->page.expires));
        html("\n");
 }
 void cgit_print_docstart(struct cgit_context *ctx)
 {
+        char *host = cgit_hosturl();
        html(cgit_doctype);
        html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n");
        html("<head>\n");
        html("<title>");
        html_txt(ctx->page.title);
        html("</title>\n");
        htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version);
        if (ctx->cfg.robots && *ctx->cfg.robots)
                htmlf("<meta name='robots' content='%s'/>\n", ctx->cfg.robots);
        html("<link rel='stylesheet' type='text/css' href='");
        html_attr(ctx->cfg.css);
        html("'/>\n");
        if (ctx->cfg.favicon) {
                html("<link rel='shortcut icon' href='");
                html_attr(ctx->cfg.favicon);
                html("'/>\n");
        }
+        if (host && ctx->repo) {
+                html("<link rel='alternate' title='Atom feed' href='http://");
+                html_attr(cgit_hosturl());
+                html_attr(cgit_fileurl(ctx->repo->url, "atom", ctx->qry.path,
+                                       fmt("h=%s", ctx->qry.head)));
+                html("' type='application/atom+xml'/>");
+        }
        html("</head>\n");
        html("<body>\n");
 }
 void cgit_print_docend()
 {
        html("</div>");
        if (ctx.cfg.footer)
                html_include(ctx.cfg.footer);
        else {
                html("<div class='footer'>generated ");
                cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time);
                htmlf(" by cgit %s", cgit_version);
                html("</div>\n");
        }
        html("</body>\n</html>\n");
 }
 int print_branch_option(const char *refname, const unsigned char *sha1,
                        int flags, void *cb_data)
 {
        char *name = (char *)refname;
        html_option(name, name, ctx.qry.head);
        return 0;
 }
 int print_archive_ref(const char *refname, const unsigned char *sha1,
                       int flags, void *cb_data)
 {
        struct tag *tag;
        struct taginfo *info;
        struct object *obj;
        char buf[256], *url;
        unsigned char fileid[20];
        int *header = (int *)cb_data;
        if (prefixcmp(refname, "refs/archives"))
                return 0;
        strncpy(buf, refname+14, sizeof(buf));
        obj = parse_object(sha1);
        if (!obj)
                return 1;
        if (obj->type == OBJ_TAG) {
                tag = lookup_tag(sha1);
                if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
                        return 0;
                hashcpy(fileid, tag->tagged->sha1);
        } else if (obj->type != OBJ_BLOB) {
                return 0;
        } else {
                hashcpy(fileid, sha1);
        }
        if (!*header) {
                html("<h1>download</h1>\n");
                *header = 1;
        }
        url = cgit_pageurl(ctx.qry.repo, "blob",
                           fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
                               buf));
        html_link_open(url, NULL, "menu");
        html_txt(strlpart(buf, 20));
        html_link_close();
        return 0;
 }
 void add_hidden_formfields(int incl_head, int incl_search, char *page)
 {
        char *url;
        if (!ctx.cfg.virtual_root) {
                url = fmt("%s/%s", ctx.qry.repo, page);
                if (ctx.qry.path)
                        url = fmt("%s/%s", url, ctx.qry.path);
                html_hidden("url", url);
        }
        if (incl_head && ctx.qry.head && ctx.repo->defbranch &&
            strcmp(ctx.qry.head, ctx.repo->defbranch))
                html_hidden("h", ctx.qry.head);
        if (ctx.qry.sha1)
                html_hidden("id", ctx.qry.sha1);
        if (ctx.qry.sha2)
                html_hidden("id2", ctx.qry.sha2);
        if (incl_search) {
                if (ctx.qry.grep)
                        html_hidden("qt", ctx.qry.grep);
                if (ctx.qry.search)
                        html_hidden("q", ctx.qry.search);
        }
 }
 char *hc(struct cgit_cmd *cmd, const char *page)
 {
        return (strcmp(cmd->name, page) ? NULL : "active");