Initial import

1 files changed, 139 insertions, 0 deletions

diff --git a/src/get-display-name.c b/src/get-display-name.c
new file mode 100644
index 0000000..8fc0ff8
--- /dev/null
+++ b/src/get-display-name.c
@@ -0,0 +1,139 @@
+/* vim: set textwidth=80 tabstop=4 smarttab: */
+
+/* Copyright (c) 2008 Michael Rasmussen (mir@datanom.net)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "get-caldav-report.h"
+#include <glib.h>
+#include <curl/curl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ * A static literal string containing the calendar query for fetching
+ * the stored display name for the collection.
+ */
+static const char* getname_request =
+"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
+"<D:propfind xmlns:D=\"DAV:\""
+"                 xmlns:C=\"urn:ietf:params:xml:ns:caldav\">"
+"  <D:prop>"
+"    <D:displayname/>"
+"  </D:prop>"
+"</D:propfind>\r\n";
+
+/**
+ * Function for getting the display name from collection.
+ * @param settings A pointer to caldav_settings. @see caldav_settings
+ * @param error A pointer to caldav_error. @see caldav_error
+ * @return TRUE in case of error, FALSE otherwise.
+ */
+gboolean caldav_getname(caldav_settings* settings, caldav_error* error) {
+	CURL* curl;
+	CURLcode res = 0;
+	char error_buf[CURL_ERROR_SIZE];
+	struct config_data data;
+	struct MemoryStruct chunk;
+	struct MemoryStruct headers;
+	struct curl_slist *http_header = NULL;
+	gboolean result = FALSE;
+	
+	chunk.memory = NULL; /* we expect realloc(NULL, size) to work */
+	chunk.size = 0;    /* no data at this point */
+	headers.memory = NULL;
+	headers.size = 0;
+
+	curl = get_curl(settings);
+	if (!curl) {
+		error->code = -1;
+		error->str = g_strdup("Could not initialize libcurl");
+		g_free(settings->file);
+		settings->file = NULL;
+		return TRUE;
+	}
+
+	http_header = curl_slist_append(http_header,
+			"Content-Type: application/xml; charset=\"utf-8\"");
+	http_header = curl_slist_append(http_header, "Depth: 0");
+	http_header = curl_slist_append(http_header, "Expect:");
+	http_header = curl_slist_append(http_header, "Transfer-Encoding:");
+	http_header = curl_slist_append(http_header, "Connection: close");
+	data.trace_ascii = settings->trace_ascii;
+	/* send all data to this function  */
+	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
+	/* we pass our 'chunk' struct to the callback function */
+	curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);
+	/* send all data to this function  */
+	curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, WriteHeaderCallback);
+	/* we pass our 'headers' struct to the callback function */
+	curl_easy_setopt(curl, CURLOPT_WRITEHEADER, (void *)&headers);
+	/* enable uploading */
+	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, getname_request);
+	curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(getname_request));
+	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_header);
+	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, (char *) &error_buf);
+	if (settings->debug) {
+		curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
+		curl_easy_setopt(curl, CURLOPT_DEBUGDATA, &data);
+		curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
+	}
+	curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, "PROPFIND");
+	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1);
+	curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH, 1);
+	curl_easy_setopt(curl, CURLOPT_POSTREDIR, CURL_REDIR_POST_ALL);
+	res = curl_easy_perform(curl);
+	if (res != 0) {
+		error->code = -1;
+		error->str = g_strdup_printf("%s", error_buf);
+		g_free(settings->file);
+		settings->file = NULL;
+		result = TRUE;
+	}
+	else {
+		long code;
+		res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
+		if (code != 207) {
+			error->code = code;
+			error->str = g_strdup(headers.memory);
+			result = TRUE;
+		}
+		else {
+			gchar* displayname;
+			displayname = get_tag("displayname", chunk.memory);
+			/* Maybe namespace prefixed */
+			if (!displayname) {
+				displayname = get_tag("D:displayname", chunk.memory);
+			}
+			settings->file = (displayname) ? 
+					g_strdup(displayname) : g_strdup("");
+			g_free(displayname);
+		}
+	}
+	if (chunk.memory)
+		free(chunk.memory);
+	if (headers.memory)
+		free(headers.memory);
+	curl_slist_free_all(http_header);
+	curl_easy_cleanup(curl);
+	return result;
+}
+