/* 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 "ui-shared.h" #include "cmd.h" #include "html.h" const char cgit_doctype[] = "\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", "Nov", "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(const char *fmt, ...) { va_list ap; va_start(ap, fmt); cgit_vprint_error(fmt, ap); va_end(ap); } void cgit_vprint_error(const char *fmt, va_list ap) { va_list cp; html("
"); va_copy(cp, ap); html_vtxtf(fmt, cp); va_end(cp); html("
\n"); } const char *cgit_httpscheme() { if (ctx.env.https && !strcmp(ctx.env.https, "on")) return "https://"; else return "http://"; } const char *cgit_hosturl() { if (ctx.env.http_host) return ctx.env.http_host; if (!ctx.env.server_name) return NULL; if (!ctx.env.server_port || atoi(ctx.env.server_port) == 80) return ctx.env.server_name; return fmtalloc("%s:%s", ctx.env.server_name, ctx.env.server_port); } const char *cgit_rooturl() { if (ctx.cfg.virtual_root) return ctx.cfg.virtual_root; else return ctx.cfg.script_name; } char *cgit_repourl(const char *reponame) { if (ctx.cfg.virtual_root) return fmtalloc("%s%s/", ctx.cfg.virtual_root, reponame); else return fmtalloc("?r=%s", reponame); } char *cgit_fileurl(const char *reponame, const char *pagename, const char *filename, const char *query) { struct strbuf sb = STRBUF_INIT; char *delim; if (ctx.cfg.virtual_root) { strbuf_addf(&sb, "%s%s/%s/%s", ctx.cfg.virtual_root, reponame, pagename, (filename ? filename:"")); delim = "?"; } else { strbuf_addf(&sb, "?url=%s/%s/%s", reponame, pagename, (filename ? filename : "")); delim = "&"; } if (query) strbuf_addf(&sb, "%s%s", delim, query); return strbuf_detach(&sb, NULL); } 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; } static void site_url(const char *page, const char *search, const char *sort, int ofs) { char *delim = "?"; if (ctx.cfg.virtual_root) html_attr(ctx.cfg.virtual_root); else html(ctx.cfg.script_name); if (page) { htmlf("?p=%s", page); delim = "&"; } if (search) { html(delim); html("q="); html_attr(search); delim = "&"; } if (sort) { html(delim); html("s="); html_attr(sort); delim = "&"; } if (ofs) { html(delim); htmlf("ofs=%d", ofs); } } static void site_link(const char *page, const char *name, const char *title, const char *class, const char *search, const char *sort, int ofs) { html(""); html_txt(name); html(""); } void cgit_index_link(const char *name, const char *title, const char *class, const char *pattern, const char *sort, int ofs) { site_link(NULL, name, title, class, pattern, sort, ofs); } static char *repolink(const char *title, const char *class, const char *page, const char *head, const char *path) { char *delim = "?"; html("defbranch)) { html(delim); html("h="); html_url_arg(head); delim = "&"; } return fmt("%s", delim); } static void reporevlink(const char *page, const char *name, const char *title, const char *class, const char *head, const char *rev, const char *path) { char *delim; delim = repolink(title, class, page, head, path); if (rev && ctx.qry.head != NULL && strcmp(rev, ctx.qry.head)) { html(delim); html("id="); html_url_arg(rev); } html("'>"); html_txt(name); html(""); } void cgit_summary_link(const char *name, const char *title, const char *class, const char *head) { reporevlink(NULL, name, title, class, head, NULL, NULL); } void cgit_tag_link(const char *name, const char *title, const char *class, const char *head, const char *rev) { reporevlink("tag", name, title, class, head, rev, NULL); } void cgit_tree_link(const char *name, const char *title, const char *class, const char *head, const char *rev, const char *path) { reporevlink("tree", name, title, class, head, rev, path); } void cgit_plain_link(const char *name, const char *title, const char *class, const char *head, const char *rev, const char *path) { reporevlink("plain", name, title, class, head, rev, path); } void cgit_log_link(const char *name, const char *title, const char *class, const char *head, const char *rev, const char *path, int ofs, const char *grep, const char *pattern, int showmsg) { char *delim; delim = repolink(title, class, "log", head, path); if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) { html(delim); html("id="); html_url_arg(rev); delim = "&"; } if (grep && pattern) { html(delim); html("qt="); html_url_arg(grep); delim = "&"; html(delim); html("q="); html_url_arg(pattern); } if (ofs > 0) { html(delim); html("ofs="); htmlf("%d", ofs); delim = "&"; } if (showmsg) { html(delim); html("showmsg=1"); } html("'>"); html_txt(name); html(""); } void cgit_commit_link(char *name, const char *title, const char *class, const char *head, const char *rev, const char *path, int toggle_ssdiff) { if (strlen(name) > ctx.cfg.max_msg_len && ctx.cfg.max_msg_len >= 15) { name[ctx.cfg.max_msg_len] = '\0'; name[ctx.cfg.max_msg_len - 1] = '.'; name[ctx.cfg.max_msg_len - 2] = '.'; name[ctx.cfg.max_msg_len - 3] = '.'; } char *delim; delim = repolink(title, class, "commit", head, path); if (rev && ctx.qry.head && strcmp(rev, ctx.qry.head)) { html(delim); html("id="); html_url_arg(rev); delim = "&"; } if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) { html(delim); html("ss=1"); delim = "&"; } if (ctx.qry.context > 0 && ctx.qry.context != 3) { html(delim); html("context="); htmlf("%d", ctx.qry.context); delim = "&"; } if (ctx.qry.ignorews) { html(delim); html("ignorews=1"); delim = "&"; } html("'>"); if (name[0] != '\0') html_txt(name); else html_txt("(no commit message)"); html(""); } void cgit_refs_link(const char *name, const char *title, const char *class, const char *head, const char *rev, const char *path) { reporevlink("refs", name, title, class, head, rev, path); } void cgit_snapshot_link(const char *name, const char *title, const char *class, const char *head, const char *rev, const char *archivename) { reporevlink("snapshot", name, title, class, head, rev, archivename); } void cgit_diff_link(const char *name, const char *title, const char *class, const char *head, const char *new_rev, const char *old_rev, const char *path, int toggle_ssdiff) { char *delim; delim = repolink(title, class, "diff", head, path); if (new_rev && ctx.qry.head != NULL && strcmp(new_rev, ctx.qry.head)) { html(delim); html("id="); html_url_arg(new_rev); delim = "&"; } if (old_rev) { html(delim); html("id2="); html_url_arg(old_rev); delim = "&"; } if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) { html(delim); html("ss=1"); delim = "&"; } if (ctx.qry.context > 0 && ctx.qry.context != 3) { html(delim); html("context="); htmlf("%d", ctx.qry.context); delim = "&"; } if (ctx.qry.ignorews) { html(delim); html("ignorews=1"); delim = "&"; } html("'>"); html_txt(name); html(""); } void cgit_patch_link(const char *name, const char *title, const char *class, const char *head, const char *rev, const char *path) { reporevlink("patch", name, title, class, head, rev, path); } void cgit_stats_link(const char *name, const char *title, const char *class, const char *head, const char *path) { reporevlink("stats", name, title, class, head, NULL, path); } static void cgit_self_link(char *name, const char *title, const char *class, struct cgit_context *ctx) { if (!strcmp(ctx->qry.page, "repolist")) cgit_index_link(name, title, class, ctx->qry.search, ctx->qry.sort, ctx->qry.ofs); else if (!strcmp(ctx->qry.page, "summary")) cgit_summary_link(name, title, class, ctx->qry.head); else if (!strcmp(ctx->qry.page, "tag")) cgit_tag_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL); else if (!strcmp(ctx->qry.page, "tree")) cgit_tree_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL, ctx->qry.path); else if (!strcmp(ctx->qry.page, "plain")) cgit_plain_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL, ctx->qry.path); else if (!strcmp(ctx->qry.page, "log")) cgit_log_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL, ctx->qry.path, ctx->qry.ofs, ctx->qry.grep, ctx->qry.search, ctx->qry.showmsg); else if (!strcmp(ctx->qry.page, "commit")) cgit_commit_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL, ctx->qry.path, 0); else if (!strcmp(ctx->qry.page, "patch")) cgit_patch_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL, ctx->qry.path); else if (!strcmp(ctx->qry.page, "refs")) cgit_refs_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL, ctx->qry.path); else if (!strcmp(ctx->qry.page, "snapshot")) cgit_snapshot_link(name, title, class, ctx->qry.head, ctx->qry.has_sha1 ? ctx->qry.sha1 : NULL, ctx->qry.path); else if (!strcmp(ctx->qry.page, "diff")) cgit_diff_link(name, title, class, ctx->qry.head, ctx->qry.sha1, ctx->qry.sha2, ctx->qry.path, 0); else if (!strcmp(ctx->qry.page, "stats")) cgit_stats_link(name, title, class, ctx->qry.head, ctx->qry.path); else { /* Don't known how to make link for this page */ repolink(title, class, ctx->qry.page, ctx->qry.head, ctx->qry.path); html(">"); html_txt(name); html(""); } } void cgit_object_link(struct object *obj) { char *page, *shortrev, *fullrev, *name; fullrev = sha1_to_hex(obj->sha1); shortrev = xstrdup(fullrev); shortrev[10] = '\0'; if (obj->type == OBJ_COMMIT) { cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL, ctx.qry.head, fullrev, NULL, 0); return; } else if (obj->type == OBJ_TREE) page = "tree"; else if (obj->type == OBJ_TAG) page = "tag"; else page = "blob"; name = fmt("%s %s...", typename(obj->type), shortrev); reporevlink(page, name, NULL, NULL, ctx.qry.head, fullrev, NULL); } static struct string_list_item *lookup_path(struct string_list *list, const char *path) { struct string_list_item *item; while (path && path[0]) { if ((item = string_list_lookup(list, path))) return item; if (!(path = strchr(path, '/'))) break; path++; } return NULL; } void cgit_submodule_link(const char *class, char *path, const char *rev) { struct string_list *list; struct string_list_item *item; char tail, *dir; size_t len; len = 0; tail = 0; list = &ctx.repo->submodules; item = lookup_path(list, path); if (!item) { len = strlen(path); tail = path[len - 1]; if (tail == '/') { path[len - 1] = 0; item = lookup_path(list, path); } } html("module_link, dir, rev); } else { html("#"); } html("'>"); html_txt(path); html(""); html_txtf(" @ %.7s", rev); if (item && tail) path[len - 1] = tail; } void cgit_print_date(time_t secs, const 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, const 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("%.0f min.", secs * 1.0 / TM_MIN); return; } if (secs < TM_DAY * 2) { htmlf("%.0f hours", secs * 1.0 / TM_HOUR); return; } if (secs < TM_WEEK * 2) { htmlf("%.0f days", secs * 1.0 / TM_DAY); return; } if (secs < TM_MONTH * 2) { htmlf("%.0f weeks", secs * 1.0 / TM_WEEK); return; } if (secs < TM_YEAR * 2) { htmlf("%.0f months", secs * 1.0 / TM_MONTH); return; } htmlf("%.0f years", secs * 1.0 / TM_YEAR); } void cgit_print_http_headers(struct cgit_context *ctx) { if (ctx->env.no_http && !strcmp(ctx->env.no_http, "1")) return; if (ctx->page.status) htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg); 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.size) htmlf("Content-Length: %zd\n", ctx->page.size); 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)); if (ctx->page.etag) htmlf("ETag: \"%s\"\n", ctx->page.etag); html("\n"); if (ctx->env.request_method && !strcmp(ctx->env.request_method, "HEAD")) exit(0); } void cgit_print_docstart(struct cgit_context *ctx) { if (ctx->cfg.embedded) { if (ctx->cfg.header) html_include(ctx->cfg.header); return; } const char *host = cgit_hosturl(); html(cgit_doctype); html("\n"); html("\n"); html(""); html_txt(ctx->page.title); html("\n"); htmlf("\n", cgit_version); if (ctx->cfg.robots && *ctx->cfg.robots) htmlf("\n", ctx->cfg.robots); html("\n"); if (ctx->cfg.favicon) { html("\n"); } if (host && ctx->repo && ctx->qry.head) { struct strbuf sb = STRBUF_INIT; strbuf_addf(&sb, "h=%s", ctx->qry.head); html("\n"); strbuf_release(&sb); } if (ctx->cfg.head_include) html_include(ctx->cfg.head_include); html("\n"); html("\n"); if (ctx->cfg.header) html_include(ctx->cfg.header); } void cgit_print_docend() { html(" \n"); if (ctx.cfg.embedded) { html(" \n"); if (ctx.cfg.footer) html_include(ctx.cfg.footer); return; } if (ctx.cfg.footer) html_include(ctx.cfg.footer); else { htmlf("
generated by cgit %s at ", cgit_version); cgit_print_date(time(NULL), FMT_LONGDATE, ctx.cfg.local_time); html("
\n"); } html(" \n"); html("\n\n"); } static 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; } void cgit_add_hidden_formfields(int incl_head, int incl_search, const char *page) { if (!ctx.cfg.virtual_root) { struct strbuf url = STRBUF_INIT; strbuf_addf(&url, "%s/%s", ctx.qry.repo, page); if (ctx.qry.vpath) strbuf_addf(&url, "/%s", ctx.qry.vpath); html_hidden("url", url.buf); strbuf_release(&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 (ctx.qry.showmsg) html_hidden("showmsg", "1"); if (incl_search) { if (ctx.qry.grep) html_hidden("qt", ctx.qry.grep); if (ctx.qry.search) html_hidden("q", ctx.qry.search); } } static const char *hc(struct cgit_context *ctx, const char *page) { return strcmp(ctx->qry.page, page) ? NULL : "active"; } static void cgit_print_path_crumbs(struct cgit_context *ctx, char *path) { char *old_path = ctx->qry.path; char *p = path, *q, *end = path + strlen(path); ctx->qry.path = NULL; cgit_self_link("root", NULL, NULL, ctx); ctx->qry.path = p = path; while (p < end) { if (!(q = strchr(p, '/'))) q = end; *q = '\0'; html_txt("/"); cgit_self_link(p, NULL, NULL, ctx); if (q < end) *q = '/'; p = q + 1; } ctx->qry.path = old_path; } static void print_header(struct cgit_context *ctx) { char *logo = NULL, *logo_link = NULL; html("\n"); html("\n"); if (ctx->repo && ctx->repo->logo && *ctx->repo->logo) logo = ctx->repo->logo; else logo = ctx->cfg.logo; if (ctx->repo && ctx->repo->logo_link && *ctx->repo->logo_link) logo_link = ctx->repo->logo_link; else logo_link = ctx->cfg.logo_link; if (logo && *logo) { html("\n"); } html("\n"); html("\n"); } void cgit_print_pageheader(struct cgit_context *ctx) { html("
"); if (!ctx->cfg.noheader) print_header(ctx); html("
\n"); if (ctx->repo) { cgit_summary_link("summary", NULL, hc(ctx, "summary"), ctx->qry.head); cgit_refs_link("refs", NULL, hc(ctx, "refs"), ctx->qry.head, ctx->qry.sha1, NULL); cgit_log_link("log", NULL, hc(ctx, "log"), ctx->qry.head, NULL, ctx->qry.vpath, 0, NULL, NULL, ctx->qry.showmsg); cgit_tree_link("tree", NULL, hc(ctx, "tree"), ctx->qry.head, ctx->qry.sha1, ctx->qry.vpath); cgit_commit_link("commit", NULL, hc(ctx, "commit"), ctx->qry.head, ctx->qry.sha1, ctx->qry.vpath, 0); cgit_diff_link("diff", NULL, hc(ctx, "diff"), ctx->qry.head, ctx->qry.sha1, ctx->qry.sha2, ctx->qry.vpath, 0); if (ctx->repo->max_stats) cgit_stats_link("stats", NULL, hc(ctx, "stats"), ctx->qry.head, ctx->qry.vpath); if (ctx->repo->readme.nr) reporevlink("about", "about", NULL, hc(ctx, "about"), ctx->qry.head, NULL, NULL); html(""); html("
\n"); cgit_add_hidden_formfields(1, 0, "log"); html("\n"); html("\n"); html("\n"); html("
\n"); } else { site_link(NULL, "index", NULL, hc(ctx, "repolist"), NULL, NULL, 0); if (ctx->cfg.root_readme) site_link("about", "about", NULL, hc(ctx, "about"), NULL, NULL, 0); html("		"); html("
\n"); html("\n"); html("\n"); html("
"); } html("
\n"); if (ctx->qry.vpath) { html("
"); html("path: "); cgit_print_path_crumbs(ctx, ctx->qry.vpath); html("
"); } html("
"); } void cgit_print_filemode(unsigned short mode) { if (S_ISDIR(mode)) html("d"); else if (S_ISLNK(mode)) html("l"); else if (S_ISGITLINK(mode)) html("m"); else html("-"); html_fileperm(mode >> 6); html_fileperm(mode >> 3); html_fileperm(mode); } void cgit_print_snapshot_links(const char *repo, const char *head, const char *hex, int snapshots) { const struct cgit_snapshot_format* f; struct strbuf filename = STRBUF_INIT; size_t prefixlen; unsigned char sha1[20]; if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 && (hex[0] == 'v' || hex[0] == 'V') && isdigit(hex[1])) hex++; strbuf_addf(&filename, "%s-%s", cgit_repobasename(repo), hex); prefixlen = filename.len; for (f = cgit_snapshot_formats; f->suffix; f++) { if (!(snapshots & f->bit)) continue; strbuf_setlen(&filename, prefixlen); strbuf_addstr(&filename, f->suffix); cgit_snapshot_link(filename.buf, NULL, NULL, NULL, NULL, filename.buf); html("
"); } strbuf_release(&filename); } static void print_line_raw(char *line, int len) { char c = line[len-1]; line[len-1] = '\0'; htmlf("%s\n", line); line[len-1] = c; } static void header_raw(unsigned char *sha1, char *path1, int mode1, unsigned char *sha2, char *path2, int mode2) { char *abbrev1, *abbrev2; int subproject; subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2)); htmlf("diff --git a/%s b/%s\n", path1, path2); if (mode1 == 0) htmlf("new file mode %.6o\n", mode2); if (mode2 == 0) htmlf("deleted file mode %.6o\n", mode1); if (!subproject) { abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV)); abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV)); htmlf("index %s..%s", abbrev1, abbrev2); free(abbrev1); free(abbrev2); if (mode1 != 0 && mode2 != 0) { htmlf(" %.6o", mode1); if (mode2 != mode1) htmlf("..%.6o", mode2); } if (is_null_sha1(sha1)) { path1 = "dev/null"; htmlf("\n--- /%s\n", path1); } else htmlf("\n--- a/%s\n", path1); if (is_null_sha1(sha2)) { path2 = "dev/null"; htmlf("+++ /%s\n", path2); } else htmlf("+++ b/%s\n", path2); } } void filepair_cb_raw(struct diff_filepair *pair) { unsigned long old_size = 0; unsigned long new_size = 0; int binary = 0; header_raw(pair->one->sha1, pair->one->path, pair->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { if (S_ISGITLINK(pair->one->mode)) print_line_raw(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); if (S_ISGITLINK(pair->two->mode)) print_line_raw(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); return; } if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size, &binary, 0, 0, print_line_raw)) html("Error running diff"); if (binary) html("Binary files differ\n"); }