/* ui-plain.c: functions for output of plain blobs by path * * Copyright (C) 2008 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" #include "html.h" #include "ui-shared.h" int match_baselen; int match; static void print_object(const unsigned char *sha1, const char *path) { enum object_type type; char *buf, *ext; unsigned long size; struct string_list_item *mime; type = sha1_object_info(sha1, &size); if (type == OBJ_BAD) { html_status(404, "Not found", 0); return; } buf = read_sha1_file(sha1, &type, &size); if (!buf) { html_status(404, "Not found", 0); return; } ctx.page.mimetype = NULL; ext = strrchr(path, '.'); if (ext && *(++ext)) { mime = string_list_lookup(&ctx.cfg.mimetypes, ext); if (mime) ctx.page.mimetype = (char *)mime->util; } if (!ctx.page.mimetype) { if (buffer_is_binary(buf, size)) ctx.page.mimetype = "application/octet-stream"; else ctx.page.mimetype = "text/plain"; } ctx.page.filename = fmt("%s", path); ctx.page.size = size; ctx.page.etag = sha1_to_hex(sha1); cgit_print_http_headers(&ctx); html_raw(buf, size); match = 1; } static char *buildpath(const char *base, int baselen, const char *path) { if (path[0]) return fmt("%.*s%s/", baselen, base, path); else return fmt("%.*s/", baselen, base); } static void print_dir(const unsigned char *sha1, const char *base, int baselen, const char *path) { char *fullpath, *slash; size_t len; fullpath = buildpath(base, baselen, path); slash = (fullpath[0] == '/' ? "" : "/"); ctx.page.etag = sha1_to_hex(sha1); cgit_print_http_headers(&ctx); htmlf("<html><head><title>%s", slash); html_txt(fullpath); htmlf("</title></head>\n<body>\n<h2>%s", slash); html_txt(fullpath); html("</h2>\n<ul>\n"); len = strlen(fullpath); if (len > 1) { fullpath[len - 1] = 0; slash = strrchr(fullpath, '/'); if (slash) *(slash + 1) = 0; else fullpath = NULL; html("<li>"); cgit_plain_link("../", NULL, NULL, ctx.qry.head, ctx.qry.sha1, fullpath); html("</li>\n"); } match = 2; } static void print_dir_entry(const unsigned char *sha1, const char *base, int baselen, const char *path, unsigned mode) { char *fullpath; fullpath = buildpath(base, baselen, path); if (!S_ISDIR(mode)) fullpath[strlen(fullpath) - 1] = 0; html(" <li>"); cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1, fullpath); html("</li>\n"); match = 2; } static void print_dir_tail(void) { html(" </ul>\n</body></html>\n"); } static int walk_tree(const unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode, int stage, void *cbdata) { if (baselen == match_baselen) { if (S_ISREG(mode)) print_object(sha1, pathname); else if (S_ISDIR(mode)) { print_dir(sha1, base, baselen, pathname); return READ_TREE_RECURSIVE; } } else if (baselen > match_baselen) print_dir_entry(sha1, base, baselen, pathname, mode); else if (S_ISDIR(mode)) return READ_TREE_RECURSIVE; return 0; } static int basedir_len(const char *path) { char *p = strrchr(path, '/'); if (p) return p - path + 1; return 0; } void cgit_print_plain(struct cgit_context *ctx) { const char *rev = ctx->qry.sha1; unsigned char sha1[20]; struct commit *commit; const char *paths[] = {ctx->qry.path, NULL}; if (!rev) rev = ctx->qry.head; if (get_sha1(rev, sha1)) { html_status(404, "Not found", 0); return; } commit = lookup_commit_reference(sha1); if (!commit || parse_commit(commit)) { html_status(404, "Not found", 0); return; } if (!paths[0]) { paths[0] = ""; match_baselen = -1; print_dir(commit->tree->object.sha1, "", 0, ""); } else match_baselen = basedir_len(paths[0]); read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL); if (!match) html_status(404, "Not found", 0); else if (match == 2) print_dir_tail(); }