ui-plain.c

   1 /* ui-plain.c: functions for output of plain blobs by path
   2  *
   3  * Copyright (C) 2008 Lars Hjemli
   4  *
   5  * Licensed under GNU General Public License v2
   6  *   (see COPYING for full license text)
   7  */
   8
   9 #include "cgit.h"
  10 #include "html.h"
  11 #include "ui-shared.h"
  12
  13 char *curr_rev;
  14 char *match_path;
  15 int match;
  16
  17 static void print_object(const unsigned char *sha1, const char *path)
  18 {
  19         enum object_type type;
  20         char *buf;
  21         unsigned long size;
  22
  23         type = sha1_object_info(sha1, &size);
  24         if (type == OBJ_BAD) {
  25                 html_status(404, "Not found", 0);
  26                 return;
  27         }
  28
  29         buf = read_sha1_file(sha1, &type, &size);
  30         if (!buf) {
  31                 html_status(404, "Not found", 0);
  32                 return;
  33         }
  34         if (buffer_is_binary(buf, size))
  35                 ctx.page.mimetype = "application/octet-stream";
  36         else
  37                 ctx.page.mimetype = "text/plain";
  38         ctx.page.filename = fmt("%s", path);
  39         ctx.page.size = size;
  40         ctx.page.etag = sha1_to_hex(sha1);
  41         cgit_print_http_headers(&ctx);
  42         html_raw(buf, size);
  43         match = 1;
  44 }
  45
  46 static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
  47                      const char *pathname, unsigned mode, int stage,
  48                      void *cbdata)
  49 {
  50         if (S_ISDIR(mode))
  51                 return READ_TREE_RECURSIVE;
  52
  53         if (S_ISREG(mode))
  54                 print_object(sha1, pathname);
  55
  56         return 0;
  57 }
  58
  59 void cgit_print_plain(struct cgit_context *ctx)
  60 {
  61         const char *rev = ctx->qry.sha1;
  62         unsigned char sha1[20];
  63         struct commit *commit;
  64         const char *paths[] = {ctx->qry.path, NULL};
  65
  66         if (!rev)
  67                 rev = ctx->qry.head;
  68
  69         curr_rev = xstrdup(rev);
  70         if (get_sha1(rev, sha1)) {
  71                 html_status(404, "Not found", 0);
  72                 return;
  73         }
  74         commit = lookup_commit_reference(sha1);
  75         if (!commit || parse_commit(commit)) {
  76                 html_status(404, "Not found", 0);
  77                 return;
  78         }
  79         match_path = ctx->qry.path;
  80         read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
  81         if (!match)
  82                 html_status(404, "Not found", 0);
  83 }