Initial import of libcarddav

1 files changed, 375 insertions, 0 deletions

diff --git a/src/get-carddav-report.c b/src/get-carddav-report.c
new file mode 100644
index 0000000..5c549b9
--- /dev/null
+++ b/src/get-carddav-report.c
@@ -0,0 +1,375 @@
+/* vim: set textwidth=80 tabstop=4 smarttab: */
+
+/* Copyright (c) 2010 Timothy Pearson (kb9vqf@pearsoncomputing.net)
+ * 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-carddav-report.h"
+#include <glib.h>
+#include <curl/curl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+/**
+ * A static literal string containing the webdav query for fetching
+ * the names of all vcf files in the directory
+ */
+static const char* dirlist_request =
+"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
+"<a:propfind xmlns:a=\"DAV:\">"
+"  <a:prop><a:resourcetype/></a:prop>"
+"</a:propfind>\r\n";
+
+/**
+ * A static literal string containing the card query for fetching
+ * all cards from collection.
+ */
+static const char* getall_request_header =
+"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
+"<C:addressbook-multiget xmlns:D=\"DAV:\""
+"                 xmlns:C=\"urn:ietf:params:xml:ns:carddav\">"
+" <D:prop>"
+"   <D:getetag/>"
+"   <C:address-data>"
+"      <C:allprop/>"
+"   </C:address-data>"
+" </D:prop>";
+
+static const char* getall_request_footer =
+"</C:addressbook-multiget>\r\n";
+
+#define ELEM_HREF "href"
+
+/**
+ * Function for listing a directory.
+ * @param settings A pointer to carddav_settings. @see carddav_settings
+ * @param error A pointer to carddav_error. @see carddav_error
+ * @return TRUE in case of error, FALSE otherwise.
+ */
+static gchar* carddav_dirlist(carddav_settings* settings, carddav_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;
+	gchar* all_href = NULL;
+
+	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: 1");
+	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, dirlist_request);
+	curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(dirlist_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;
+	}
+	else {
+		long code;
+		res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &code);
+		if (code != 207) {
+			error->code = code;
+			error->str = g_strdup(headers.memory);
+		}
+		else {
+			gchar* tmp_report = NULL;
+			gchar* href = NULL;
+			gchar* tmp = NULL;
+			char* pos;
+			tmp_report = g_strdup(chunk.memory);
+			href = get_tag(ELEM_HREF, tmp_report);
+			/* Maybe namespace prefixed */
+			if (!href) {
+				href = get_tag("D:href", tmp_report);
+			}
+			pos = strstr(tmp_report, href);
+			all_href = g_strdup_printf("");
+			while ((href != NULL) && (pos != NULL)) {
+				href = get_tag(ELEM_HREF, pos);
+				/* Maybe namespace prefixed */
+				if (!href) {
+					href = get_tag("D:href", pos);
+				}
+				if (!href)
+					break;
+				pos = strstr(pos, href);
+				tmp = g_strdup(all_href);
+				g_free(all_href);
+				all_href = g_strdup_printf("%s <D:href>%s</D:href>\r\n", tmp, href);
+				g_free(tmp);
+			}
+			g_free(tmp_report);
+		}
+	}
+	if (chunk.memory)
+		free(chunk.memory);
+	if (headers.memory)
+		free(headers.memory);
+	curl_slist_free_all(http_header);
+	curl_easy_cleanup(curl);
+	return all_href;
+}
+
+/**
+ * Function for getting all cards from collection.
+ * @param settings A pointer to carddav_settings. @see carddav_settings
+ * @param error A pointer to carddav_error. @see carddav_error
+ * @return TRUE in case of error, FALSE otherwise.
+ */
+gboolean carddav_getall(carddav_settings* settings, carddav_error* error) {
+	gchar * dav_file_listing;
+	dav_file_listing = carddav_dirlist(settings, error);
+	if (dav_file_listing == NULL)
+		return TRUE;
+
+	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: 1");
+	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);
+	/* assemble request */
+	gchar * get_request;
+	get_request = g_strdup_printf("%s%s%s\r\n", getall_request_header, dav_file_listing, getall_request_footer);
+	/* enable uploading */
+	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, get_request);
+	curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(get_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, "REPORT");
+	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* report;
+			report = parse_carddav_report(
+						chunk.memory, "address-data", "VCARD");
+			settings->file = g_strdup(report);
+			g_free(report);
+		}
+	}
+	if (chunk.memory)
+		free(chunk.memory);
+	if (headers.memory)
+		free(headers.memory);
+	curl_slist_free_all(http_header);
+	curl_easy_cleanup(curl);
+	g_free(dav_file_listing);
+	return result;
+}
+
+/**
+ * Function for getting all cards from collection.
+ * This version stores each object's URI in a VCARD parameter.
+ * @param settings A pointer to carddav_settings. @see carddav_settings
+ * @param error A pointer to carddav_error. @see carddav_error
+ * @return TRUE in case of error, FALSE otherwise.
+ */
+gboolean carddav_getall_by_uri(carddav_settings* settings, carddav_error* error) {
+	gchar * dav_file_listing;
+	dav_file_listing = carddav_dirlist(settings, error);
+	if (dav_file_listing == NULL)
+		return TRUE;
+
+	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: 1");
+	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);
+	/* assemble request */
+	gchar * get_request;
+	get_request = g_strdup_printf("%s%s%s\r\n", getall_request_header, dav_file_listing, getall_request_footer);
+	/* enable uploading */
+	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, get_request);
+	curl_easy_setopt (curl, CURLOPT_POSTFIELDSIZE, strlen(get_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, "REPORT");
+	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* report;
+			report = parse_carddav_report(
+						chunk.memory, "address-data", "VCARD");
+			settings->file = g_strdup(report);
+			g_free(report);
+		}
+	}
+	if (chunk.memory)
+		free(chunk.memory);
+	if (headers.memory)
+		free(headers.memory);
+	curl_slist_free_all(http_header);
+	curl_easy_cleanup(curl);
+	g_free(dav_file_listing);
+	return result;
+}
\ No newline at end of file