src/network-libxml.c

   1 /* logjam - a GTK client for LiveJournal.
   2  * Copyright (C) 2004 Evan Martin <martine@danga.com>
   3  *
   4  * vim: tabstop=4 shiftwidth=4 noexpandtab :
   5  */
   6 #if !defined(HAVE_CURL) && !defined(HAVE_LIBSOUP)
   7
   8 #include "glib-all.h"
   9
  10 #include <libxml/nanohttp.h>
  11
  12 #include "conf.h"
  13 #include "network.h"
  14 #include "network-internal.h"
  15
  16
  17 GString *net_post_blocking (const char *url, GSList *headers, GString *post, NetStatusCallback cb, gpointer data, GError **err) {
  18   void *ctx = NULL;
  19   char buf[2048];
  20   char *headerstr = NULL;
  21   GString *response = NULL;
  22   gboolean success = FALSE;
  23   int len;
  24   NetStatusProgress progress;
  25
  26   if (conf.options.netdump && post) fprintf(stderr, _("Request: [%s]\n"), post->str);
  27
  28   xmlNanoHTTPInit();
  29
  30   if (conf.options.useproxy) {
  31     if (conf.proxyuser) {
  32       g_set_error(err, NET_ERROR, NET_ERROR_GENERIC, "%s", _("LogJam was built with libxml's NanoHTTP support, " "which does not support proxy authentication."));
  33       goto out;
  34     }
  35     xmlNanoHTTPScanProxy(conf.proxy);
  36   } else {
  37     /* reset any potentially lingering proxy information. */
  38     xmlNanoHTTPScanProxy(NULL);
  39   }
  40
  41   if (headers) {
  42     GString *hs = g_string_new(NULL);
  43     GSList *l;
  44     for (l = headers; l; l = l->next) {
  45       g_string_append(hs, l->data);
  46       g_string_append(hs, "\r\n");
  47     }
  48     headerstr = hs->str;
  49     g_string_free(hs, FALSE);
  50   }
  51   if (post) {
  52     ctx = xmlNanoHTTPMethod(url, "POST", post->str, NULL, headerstr, post->len);
  53   } else {
  54     ctx = xmlNanoHTTPMethod(url, "GET", NULL, NULL, headerstr, 0);
  55   }
  56
  57   if (!ctx) {
  58     g_set_error(err, NET_ERROR, NET_ERROR_GENERIC, "%s", _("xmlNanoHTTPMethod error."));
  59     goto out;
  60   }
  61
  62   switch (xmlNanoHTTPReturnCode(ctx)) {
  63     case 404: /* HTTP 404 message: file not found. */
  64       g_set_error(err, NET_ERROR, NET_ERROR_PROTOCOL, "%s", _("File not found."));
  65       goto out;
  66     default: ; /* supress warning */
  67   }
  68
  69   response = g_string_new(NULL);
  70   for (;;) {
  71     len = xmlNanoHTTPRead(ctx, buf, sizeof(buf));
  72     if (len < 0) {
  73       g_set_error(err, NET_ERROR, NET_ERROR_GENERIC, "%s", _("xmlNanoHTTPRead error."));
  74       goto out;
  75     } else if (len == 0) {
  76       break;
  77     } else {
  78       g_string_append_len(response, buf, len);
  79     }
  80     if (cb) {
  81       progress.current = response->len;
  82       progress.total = 0; /* XXX (int)contentlength; */
  83       cb(NET_STATUS_PROGRESS, &progress, data);
  84     }
  85   }
  86
  87   success = TRUE;
  88
  89   if (conf.options.netdump) fprintf(stderr, _("Response: [%s]\n"), response->str);
  90
  91 out:
  92   g_free(headerstr);
  93   if (ctx) xmlNanoHTTPClose(ctx);
  94   if (!success && response) {
  95     g_string_free(response, TRUE);
  96     response = NULL;
  97   }
  98   return response;
  99 }
 100
 101 #endif