evolution-3.6.4/mail/e-mail-request.c

No issues found

Incomplete coverage

Tool Failure ID Location Function Message Data
clang-analyzer no-output-found e-mail-request.c Message(text='Unable to locate XML output from invoke-clang-analyzer') None
clang-analyzer no-output-found e-mail-request.c Message(text='Unable to locate XML output from invoke-clang-analyzer') None
Failure running clang-analyzer ('no-output-found')
Message
Unable to locate XML output from invoke-clang-analyzer
Failure running clang-analyzer ('no-output-found')
Message
Unable to locate XML output from invoke-clang-analyzer
  1 /*
  2  * e-mail-request.c
  3  *
  4  * This program is free software; you can redistribute it and/or
  5  * modify it under the terms of the GNU Lesser General Public
  6  * License as published by the Free Software Foundation; either
  7  * version 2 of the License, or (at your option) version 3.
  8  *
  9  * This program is distributed in the hope that it will be useful,
 10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 12  * Lesser General Public License for more details.
 13  *
 14  * You should have received a copy of the GNU Lesser General Public
 15  * License along with the program; if not, see <http://www.gnu.org/licenses/>
 16  *
 17  */
 18 
 19 #define LIBSOUP_USE_UNSTABLE_REQUEST_API
 20 
 21 #include "e-mail-request.h"
 22 #include "em-utils.h"
 23 
 24 #include <libsoup/soup.h>
 25 #include <libsoup/soup-requester.h>
 26 #include <libsoup/soup-request-http.h>
 27 
 28 #include <webkit/webkit.h>
 29 
 30 #include <glib/gi18n.h>
 31 #include <camel/camel.h>
 32 
 33 #include <em-format/e-mail-formatter.h>
 34 #include <em-format/e-mail-formatter-utils.h>
 35 #include <em-format/e-mail-formatter-print.h>
 36 
 37 #include <e-util/e-icon-factory.h>
 38 #include <e-util/e-util.h>
 39 
 40 #include <shell/e-shell.h>
 41 
 42 #define d(x)
 43 #define dd(x)
 44 
 45 #define E_MAIL_REQUEST_GET_PRIVATE(obj) \
 46 	(G_TYPE_INSTANCE_GET_PRIVATE \
 47 	((obj), E_TYPE_MAIL_REQUEST, EMailRequestPrivate))
 48 
 49 struct _EMailRequestPrivate {
 50 	CamelStream *output_stream;
 51 	gchar *mime_type;
 52 
 53 	gint content_length;
 54 
 55 	GHashTable *uri_query;
 56 	gchar *uri_base;
 57 	gchar *full_uri;
 58 
 59         gchar *ret_mime_type;
 60 };
 61 
 62 G_DEFINE_TYPE (EMailRequest, e_mail_request, SOUP_TYPE_REQUEST)
 63 
 64 static void
 65 handle_mail_request (GSimpleAsyncResult *res,
 66                      GObject *object,
 67                      GCancellable *cancellable)
 68 {
 69 	EMailRequest *request = E_MAIL_REQUEST (object);
 70 	GInputStream *stream;
 71 	EMailFormatter *formatter;
 72 	EMailPartList *part_list;
 73 	CamelObjectBag *registry;
 74 	GByteArray *ba;
 75 	gchar *part_id;
 76 	gchar *val;
 77 	const gchar *default_charset, *charset;
 78 
 79 	EMailFormatterContext context = { 0 };
 80 
 81 	if (g_cancellable_is_cancelled (cancellable))
 82 		return;
 83 
 84 	if (request->priv->output_stream != NULL) {
 85 		g_object_unref (request->priv->output_stream);
 86 	}
 87 
 88 	registry = e_mail_part_list_get_registry ();
 89 	part_list = camel_object_bag_get (registry, request->priv->uri_base);
 90 	g_return_if_fail (part_list != NULL);
 91 
 92 	request->priv->output_stream = camel_stream_mem_new ();
 93 
 94 	val = g_hash_table_lookup (request->priv->uri_query, "headers_collapsed");
 95 	if (val && atoi (val) == 1)
 96 		context.flags |= E_MAIL_FORMATTER_HEADER_FLAG_COLLAPSED;
 97 
 98 	val = g_hash_table_lookup (request->priv->uri_query, "headers_collapsable");
 99 	if (val && atoi (val) == 1)
100 		context.flags |= E_MAIL_FORMATTER_HEADER_FLAG_COLLAPSABLE;
101 
102 	val = g_hash_table_lookup (request->priv->uri_query, "mode");
103 	if (val)
104 		context.mode = atoi (val);
105 
106 	context.message = part_list->message;
107 	context.message_uid = part_list->message_uid;
108 	context.folder = part_list->folder;
109 	context.parts = part_list->list;
110 	context.uri = request->priv->full_uri;
111 
112 	default_charset = g_hash_table_lookup (request->priv->uri_query, "formatter_default_charset");
113 	charset = g_hash_table_lookup (request->priv->uri_query, "formatter_charset");
114 
115 	if (context.mode == E_MAIL_FORMATTER_MODE_PRINTING)
116 		formatter = e_mail_formatter_print_new ();
117 	else
118 		formatter = e_mail_formatter_new ();
119 
120 	if (default_charset && *default_charset)
121 		e_mail_formatter_set_default_charset (formatter, default_charset);
122 	if (charset && *charset)
123 		e_mail_formatter_set_charset (formatter, charset);
124 
125 	part_id = g_hash_table_lookup (request->priv->uri_query, "part_id");
126 	if (part_id) {
127 		EMailPart *part;
128 		const gchar *mime_type;
129 		/* original part_id is owned by the GHashTable */
130 		part_id = soup_uri_decode (part_id);
131 		part = e_mail_part_list_find_part (part_list, part_id);
132 
133 		val = g_hash_table_lookup (request->priv->uri_query, "mime_type");
134 		if (val) {
135 			mime_type = val;
136 		} else {
137 			mime_type = NULL;
138 		}
139 
140 		if (context.mode == E_MAIL_FORMATTER_MODE_SOURCE) {
141 			mime_type = "application/vnd.evolution.source";
142 		}
143 
144 		if (part) {
145 			if (context.mode == E_MAIL_FORMATTER_MODE_CID) {
146 				CamelDataWrapper *dw;
147 				CamelStream *raw_content;
148 				GByteArray *ba;
149 
150 				dw = camel_medium_get_content (CAMEL_MEDIUM (part->part));
151 				g_return_if_fail (dw);
152 
153 				raw_content = camel_stream_mem_new ();
154 				camel_data_wrapper_decode_to_stream_sync (dw, raw_content, cancellable, NULL);
155 				ba = camel_stream_mem_get_byte_array (CAMEL_STREAM_MEM (raw_content));
156 
157 				camel_stream_write (request->priv->output_stream, (gchar *) ba->data, ba->len, cancellable, NULL);
158 
159 				g_object_unref (raw_content);
160 			} else {
161 				e_mail_formatter_format_as (
162 					formatter, &context, part, request->priv->output_stream,
163 					mime_type ? mime_type : part->mime_type, cancellable);
164 			}
165 		} else {
166 			g_warning ("Failed to lookup requested part '%s' - this should not happen!", part_id);
167 		}
168 
169 	} else {
170 		e_mail_formatter_format_sync (
171 			formatter, part_list, request->priv->output_stream,
172 			context.flags, context.mode, cancellable);
173 	}
174 
175 	/* Convert the GString to GInputStream and send it back to WebKit */
176 	ba = camel_stream_mem_get_byte_array (CAMEL_STREAM_MEM (request->priv->output_stream));
177 	if (!ba->data) {
178 		gchar *data = g_strdup_printf (_("Failed to load part '%s'"), part_id);
179 		dd (printf ("%s", data));
180 		g_byte_array_append (ba, (guchar *) data, strlen (data));
181 		g_free (data);
182 	} else {
183 		dd ({
184 			gchar *d = g_strndup ((gchar *) ba->data, ba->len);
185 			printf ("%s", d);
186 			g_free (d);
187 		});
188 	}
189 
190 	g_free (part_id);
191 	g_object_unref (part_list);
192 	g_object_unref (formatter);
193 
194 	stream = g_memory_input_stream_new_from_data (
195 			(gchar *) ba->data, ba->len, NULL);
196 	g_simple_async_result_set_op_res_gpointer (res, stream, NULL);
197 }
198 
199 static GInputStream *
200 get_empty_image_stream (gsize *len)
201 {
202 	GdkPixbuf *p;
203 	gchar *buff;
204 	GInputStream *stream;
205 
206 	p = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, 1, 1);
207 	gdk_pixbuf_fill (p, 0x00000000);	/* transparent black */
208 	gdk_pixbuf_save_to_buffer (p, &buff, len, "png", NULL, NULL);
209 
210 	stream = g_memory_input_stream_new_from_data (buff, *len, g_free);
211 
212 	g_object_unref (p);
213 
214 	return stream;
215 }
216 
217 static void
218 handle_contact_photo_request (GSimpleAsyncResult *res,
219                               GObject *object,
220                               GCancellable *cancellable)
221 {
222 	EMailRequest *request = E_MAIL_REQUEST (object);
223 	const gchar *email;
224 	gchar *photo_name;
225 	gboolean only_local_photo;
226 	CamelMimePart *photopart;
227 	EShell *shell;
228 	ESourceRegistry *registry;
229 	CamelInternetAddress *cia;
230 	CamelDataWrapper *dw;
231 	GByteArray *ba;
232 	GInputStream *stream = NULL;
233 
234 	shell = e_shell_get_default ();
235 	registry = e_shell_get_registry (shell);
236 
237 	request->priv->mime_type = g_strdup ("image/*");
238 
239 	email = g_hash_table_lookup (
240 			request->priv->uri_query, "mailaddr");
241 	if (!email || !*email) {
242 		gsize len;
243 
244 		stream = get_empty_image_stream (&len);
245 		request->priv->content_length = len;
246 
247 		g_simple_async_result_set_op_res_gpointer (res, stream, NULL);
248 		return;
249 	}
250 
251 	photo_name = g_uri_unescape_string (email, NULL);
252 	only_local_photo = g_hash_table_lookup_extended (
253 				request->priv->uri_query, "only-local-photo",
254 				NULL, NULL);
255 
256 	cia = camel_internet_address_new ();
257 	camel_address_decode ((CamelAddress *) cia, (const gchar *) photo_name);
258 	photopart = em_utils_contact_photo (
259 			registry, cia, only_local_photo, cancellable);
260 	g_object_unref (cia);
261 	if (!photopart) {
262 		gsize len;
263 
264 		stream = get_empty_image_stream (&len);
265 		request->priv->content_length = len;
266 
267 		g_simple_async_result_set_op_res_gpointer (res, stream, NULL);
268 		g_free (photo_name);
269 		return;
270 	}
271 
272 	ba = NULL;
273 	dw = camel_medium_get_content (CAMEL_MEDIUM (photopart));
274 	if (dw) {
275 		ba = camel_data_wrapper_get_byte_array (dw);
276 	}
277 
278 	if (!ba || ba->len == 0) {
279 
280 		const gchar *filename = camel_mime_part_get_filename (photopart);
281 
282 		if (filename && *filename &&
283 		    g_file_test (filename, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)) {
284 			gchar *data;
285 			gsize len;
286 
287 			if (!g_file_get_contents (filename, &data, &len, NULL)) {
288 				stream = get_empty_image_stream (&len);
289 			} else {
290 				stream = g_memory_input_stream_new_from_data (
291 					(gchar *) data, len, g_free);
292 			}
293 
294 			request->priv->content_length = len;
295 		}
296 
297 	} else {
298 
299 		stream = g_memory_input_stream_new_from_data (
300 				(gchar *) ba->data, ba->len, NULL);
301 
302 		request->priv->content_length = ba->len;
303 
304 	}
305 
306 	g_free (photo_name);
307 	g_simple_async_result_set_op_res_gpointer (res, stream, NULL);
308 }
309 
310 static void
311 mail_request_finalize (GObject *object)
312 {
313 	EMailRequest *request = E_MAIL_REQUEST (object);
314 
315 	g_clear_object (&request->priv->output_stream);
316 
317 	g_free (request->priv->mime_type);
318 	request->priv->mime_type = NULL;
319 
320 	if (request->priv->uri_query) {
321 		g_hash_table_destroy (request->priv->uri_query);
322 		request->priv->uri_query = NULL;
323 	}
324 
325 	g_free (request->priv->ret_mime_type);
326 	request->priv->ret_mime_type = NULL;
327 
328 	g_free (request->priv->uri_base);
329 	request->priv->uri_base = NULL;
330 
331 	g_free (request->priv->full_uri);
332 	request->priv->full_uri = NULL;
333 
334 	G_OBJECT_CLASS (e_mail_request_parent_class)->finalize (object);
335 }
336 
337 static gboolean
338 mail_request_check_uri (SoupRequest *request,
339                        SoupURI *uri,
340                        GError **error)
341 {
342 	return (strcmp (uri->scheme, "mail") == 0);
343 }
344 
345 static void
346 mail_request_send_async (SoupRequest *request,
347                          GCancellable *cancellable,
348                          GAsyncReadyCallback callback,
349                          gpointer user_data)
350 {
351 	EMailRequest *emr = E_MAIL_REQUEST (request);
352 	GSimpleAsyncResult *simple;
353 	SoupURI *uri;
354 	gchar *uri_str;
355 
356 	uri = soup_request_get_uri (request);
357 
358 	d (printf ("received request for %s\n", soup_uri_to_string (uri, FALSE)));
359 
360 	if (uri->query) {
361 		emr->priv->uri_query = soup_form_decode (uri->query);
362 	} else {
363 		emr->priv->uri_query = NULL;
364 	}
365 
366 	emr->priv->full_uri = soup_uri_to_string (uri, FALSE);
367 	uri_str = g_strdup_printf (
368 		"%s://%s%s", uri->scheme, uri->host, uri->path);
369 	emr->priv->uri_base = uri_str;
370 
371 	simple = g_simple_async_result_new (
372 		G_OBJECT (request), callback,
373 		user_data, mail_request_send_async);
374 
375 	g_simple_async_result_set_check_cancellable (simple, cancellable);
376 
377 	if (g_strcmp0 (uri->host, "contact-photo") == 0) {
378 		g_simple_async_result_run_in_thread (
379 			simple, handle_contact_photo_request,
380 			G_PRIORITY_DEFAULT, cancellable);
381 	} else {
382 		g_simple_async_result_run_in_thread (
383 			simple, handle_mail_request,
384 			G_PRIORITY_DEFAULT, cancellable);
385 	}
386 
387 	g_object_unref (simple);
388 }
389 
390 static GInputStream *
391 mail_request_send_finish (SoupRequest *request,
392                           GAsyncResult *result,
393                           GError **error)
394 {
395 	GInputStream *stream;
396 
397 	stream = g_simple_async_result_get_op_res_gpointer (
398 					G_SIMPLE_ASYNC_RESULT (result));
399 
400 	/* Reset the stream before passing it back to webkit */
401 	if (G_IS_INPUT_STREAM (stream) && G_IS_SEEKABLE (stream))
402 		g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, NULL);
403 
404 	if (!stream) /* We must always return something */
405 		stream = g_memory_input_stream_new ();
406 
407 	return stream;
408 }
409 
410 static goffset
411 mail_request_get_content_length (SoupRequest *request)
412 {
413 	EMailRequest *emr = E_MAIL_REQUEST (request);
414 	GByteArray *ba;
415 	gint content_length = 0;
416 
417 	if (emr->priv->content_length > 0)
418 		content_length = emr->priv->content_length;
419 	else if (emr->priv->output_stream) {
420 		ba = camel_stream_mem_get_byte_array (CAMEL_STREAM_MEM (emr->priv->output_stream));
421 		if (ba) {
422 			content_length = ba->len;
423 		}
424 	}
425 
426 	d (printf ("Content-Length: %d bytes\n", content_length));
427 	return content_length;
428 }
429 
430 static const gchar *
431 mail_request_get_content_type (SoupRequest *request)
432 {
433 	EMailRequest *emr = E_MAIL_REQUEST (request);
434 	gchar *mime_type;
435 
436 	if (emr->priv->mime_type) {
437 		mime_type = g_strdup (emr->priv->mime_type);
438 	} else {
439 		mime_type = g_strdup ("text/html");
440 	}
441 
442 	if (g_strcmp0 (mime_type, "text/html") == 0) {
443 		emr->priv->ret_mime_type = g_strconcat (mime_type, "; charset=\"UTF-8\"", NULL);
444 		g_free (mime_type);
445 	} else {
446 		emr->priv->ret_mime_type = mime_type;
447 	}
448 
449 	d (printf ("Content-Type: %s\n", emr->priv->ret_mime_type));
450 
451 	return emr->priv->ret_mime_type;
452 }
453 
454 static const gchar *data_schemes[] = { "mail", NULL };
455 
456 static void
457 e_mail_request_class_init (EMailRequestClass *class)
458 {
459 	GObjectClass *object_class;
460 	SoupRequestClass *request_class;
461 
462 	g_type_class_add_private (class, sizeof (EMailRequestPrivate));
463 
464 	object_class = G_OBJECT_CLASS (class);
465 	object_class->finalize = mail_request_finalize;
466 
467 	request_class = SOUP_REQUEST_CLASS (class);
468 	request_class->schemes = data_schemes;
469 	request_class->send_async = mail_request_send_async;
470 	request_class->send_finish = mail_request_send_finish;
471 	request_class->get_content_type = mail_request_get_content_type;
472 	request_class->get_content_length = mail_request_get_content_length;
473 	request_class->check_uri = mail_request_check_uri;
474 }
475 
476 static void
477 e_mail_request_init (EMailRequest *request)
478 {
479 	request->priv = E_MAIL_REQUEST_GET_PRIVATE (request);
480 }