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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "chrome/browser/chromeos/contacts/gdata_contacts_service.h" | |
6 | |
7 #include <cstring> | |
8 #include <map> | |
9 #include <string> | |
10 #include <utility> | |
11 | |
12 #include "base/json/json_value_converter.h" | |
13 #include "base/json/json_writer.h" | |
14 #include "base/logging.h" | |
15 #include "base/memory/weak_ptr.h" | |
16 #include "base/metrics/histogram.h" | |
17 #include "base/stl_util.h" | |
18 #include "base/strings/string_util.h" | |
19 #include "base/threading/sequenced_worker_pool.h" | |
20 #include "base/time/time.h" | |
21 #include "base/timer/timer.h" | |
22 #include "base/values.h" | |
23 #include "chrome/browser/chromeos/contacts/contact.pb.h" | |
24 #include "content/public/browser/browser_thread.h" | |
25 #include "google_apis/drive/gdata_contacts_requests.h" | |
26 #include "google_apis/drive/gdata_errorcode.h" | |
27 #include "google_apis/drive/request_sender.h" | |
28 #include "google_apis/drive/time_util.h" | |
29 | |
30 using content::BrowserThread; | |
31 | |
32 namespace contacts { | |
33 | |
34 namespace { | |
35 | |
36 // Download outcomes reported via the "Contacts.FullUpdateResult" and | |
37 // "Contacts.IncrementalUpdateResult" histograms. | |
38 enum HistogramResult { | |
39 HISTOGRAM_RESULT_SUCCESS = 0, | |
40 HISTOGRAM_RESULT_GROUPS_DOWNLOAD_FAILURE = 1, | |
41 HISTOGRAM_RESULT_GROUPS_PARSE_FAILURE = 2, | |
42 HISTOGRAM_RESULT_MY_CONTACTS_GROUP_NOT_FOUND = 3, | |
43 HISTOGRAM_RESULT_CONTACTS_DOWNLOAD_FAILURE = 4, | |
44 HISTOGRAM_RESULT_CONTACTS_PARSE_FAILURE = 5, | |
45 HISTOGRAM_RESULT_PHOTO_DOWNLOAD_FAILURE = 6, | |
46 HISTOGRAM_RESULT_MAX_VALUE = 7, | |
47 }; | |
48 | |
49 // Maximum number of profile photos that we'll download per second. | |
50 // At values above 10, Google starts returning 503 errors. | |
51 const int kMaxPhotoDownloadsPerSecond = 10; | |
52 | |
53 // Give up after seeing more than this many transient errors while trying to | |
54 // download a photo for a single contact. | |
55 const int kMaxTransientPhotoDownloadErrorsPerContact = 2; | |
56 | |
57 // Hardcoded system group ID for the "My Contacts" group, per | |
58 // https://developers.google.com/google-apps/contacts/v3/#contact_group_entry. | |
59 const char kMyContactsSystemGroupId[] = "Contacts"; | |
60 | |
61 // Top-level field in a contact groups feed containing the list of entries. | |
62 const char kGroupEntryField[] = "feed.entry"; | |
63 | |
64 // Field in group entries containing the system group ID (e.g. ID "Contacts" | |
65 // for the "My Contacts" system group). See | |
66 // https://developers.google.com/google-apps/contacts/v3/#contact_group_entry | |
67 // for more details. | |
68 const char kSystemGroupIdField[] = "gContact$systemGroup.id"; | |
69 | |
70 // Field in the top-level object containing the contacts feed. | |
71 const char kFeedField[] = "feed"; | |
72 | |
73 // Field in the contacts feed containing a list of category information, along | |
74 // with fields within the dictionaries contained in the list and expected | |
75 // values. | |
76 const char kCategoryField[] = "category"; | |
77 const char kCategorySchemeField[] = "scheme"; | |
78 const char kCategorySchemeValue[] = "http://schemas.google.com/g/2005#kind"; | |
79 const char kCategoryTermField[] = "term"; | |
80 const char kCategoryTermValue[] = | |
81 "http://schemas.google.com/contact/2008#contact"; | |
82 | |
83 // Field in the contacts feed containing a list of contact entries. | |
84 const char kEntryField[] = "entry"; | |
85 | |
86 // Field in group and contact entries containing the item's ID. | |
87 const char kIdField[] = "id.$t"; | |
88 | |
89 // Top-level fields in contact entries. | |
90 const char kDeletedField[] = "gd$deleted"; | |
91 const char kFullNameField[] = "gd$name.gd$fullName.$t"; | |
92 const char kGivenNameField[] = "gd$name.gd$givenName.$t"; | |
93 const char kAdditionalNameField[] = "gd$name.gd$additionalName.$t"; | |
94 const char kFamilyNameField[] = "gd$name.gd$familyName.$t"; | |
95 const char kNamePrefixField[] = "gd$name.gd$namePrefix.$t"; | |
96 const char kNameSuffixField[] = "gd$name.gd$nameSuffix.$t"; | |
97 const char kEmailField[] = "gd$email"; | |
98 const char kPhoneField[] = "gd$phoneNumber"; | |
99 const char kPostalAddressField[] = "gd$structuredPostalAddress"; | |
100 const char kInstantMessagingField[] = "gd$im"; | |
101 const char kLinkField[] = "link"; | |
102 const char kUpdatedField[] = "updated.$t"; | |
103 | |
104 // Fields in entries in the |kEmailField| list. | |
105 const char kEmailAddressField[] = "address"; | |
106 | |
107 // Fields in entries in the |kPhoneField| list. | |
108 const char kPhoneNumberField[] = "$t"; | |
109 | |
110 // Fields in entries in the |kPostalAddressField| list. | |
111 const char kPostalAddressFormattedField[] = "gd$formattedAddress.$t"; | |
112 | |
113 // Fields in entries in the |kInstantMessagingField| list. | |
114 const char kInstantMessagingAddressField[] = "address"; | |
115 const char kInstantMessagingProtocolField[] = "protocol"; | |
116 const char kInstantMessagingProtocolAimValue[] = | |
117 "http://schemas.google.com/g/2005#AIM"; | |
118 const char kInstantMessagingProtocolMsnValue[] = | |
119 "http://schemas.google.com/g/2005#MSN"; | |
120 const char kInstantMessagingProtocolYahooValue[] = | |
121 "http://schemas.google.com/g/2005#YAHOO"; | |
122 const char kInstantMessagingProtocolSkypeValue[] = | |
123 "http://schemas.google.com/g/2005#SKYPE"; | |
124 const char kInstantMessagingProtocolQqValue[] = | |
125 "http://schemas.google.com/g/2005#QQ"; | |
126 const char kInstantMessagingProtocolGoogleTalkValue[] = | |
127 "http://schemas.google.com/g/2005#GOOGLE_TALK"; | |
128 const char kInstantMessagingProtocolIcqValue[] = | |
129 "http://schemas.google.com/g/2005#ICQ"; | |
130 const char kInstantMessagingProtocolJabberValue[] = | |
131 "http://schemas.google.com/g/2005#JABBER"; | |
132 | |
133 // Generic fields shared between address-like items (email, postal, etc.). | |
134 const char kAddressPrimaryField[] = "primary"; | |
135 const char kAddressPrimaryTrueValue[] = "true"; | |
136 const char kAddressRelField[] = "rel"; | |
137 const char kAddressRelHomeValue[] = "http://schemas.google.com/g/2005#home"; | |
138 const char kAddressRelWorkValue[] = "http://schemas.google.com/g/2005#work"; | |
139 const char kAddressRelMobileValue[] = "http://schemas.google.com/g/2005#mobile"; | |
140 const char kAddressLabelField[] = "label"; | |
141 | |
142 // Fields in entries in the |kLinkField| list. | |
143 const char kLinkHrefField[] = "href"; | |
144 const char kLinkRelField[] = "rel"; | |
145 const char kLinkETagField[] = "gd$etag"; | |
146 const char kLinkRelPhotoValue[] = | |
147 "http://schemas.google.com/contacts/2008/rel#photo"; | |
148 | |
149 // Returns a string containing a pretty-printed JSON representation of |value|. | |
150 std::string PrettyPrintValue(const base::Value& value) { | |
151 std::string out; | |
152 base::JSONWriter::WriteWithOptions( | |
153 &value, base::JSONWriter::OPTIONS_PRETTY_PRINT, &out); | |
154 return out; | |
155 } | |
156 | |
157 // Assigns the value at |path| within |dict| to |out|, returning false if the | |
158 // path wasn't present. Unicode byte order marks are removed from the string. | |
159 bool GetCleanedString(const base::DictionaryValue& dict, | |
160 const std::string& path, | |
161 std::string* out) { | |
162 if (!dict.GetString(path, out)) | |
163 return false; | |
164 | |
165 // The Unicode byte order mark, U+FEFF, is useless in UTF-8 strings (which are | |
166 // interpreted one byte at a time). | |
167 ReplaceSubstringsAfterOffset(out, 0, "\xEF\xBB\xBF", ""); | |
168 return true; | |
169 } | |
170 | |
171 // Returns whether an address is primary, given a dictionary representing a | |
172 // single address. | |
173 bool IsAddressPrimary(const base::DictionaryValue& address_dict) { | |
174 std::string primary; | |
175 address_dict.GetString(kAddressPrimaryField, &primary); | |
176 return primary == kAddressPrimaryTrueValue; | |
177 } | |
178 | |
179 // Initializes an AddressType message given a dictionary representing a single | |
180 // address. | |
181 void InitAddressType(const base::DictionaryValue& address_dict, | |
182 Contact_AddressType* type) { | |
183 DCHECK(type); | |
184 type->Clear(); | |
185 | |
186 std::string rel; | |
187 address_dict.GetString(kAddressRelField, &rel); | |
188 if (rel == kAddressRelHomeValue) | |
189 type->set_relation(Contact_AddressType_Relation_HOME); | |
190 else if (rel == kAddressRelWorkValue) | |
191 type->set_relation(Contact_AddressType_Relation_WORK); | |
192 else if (rel == kAddressRelMobileValue) | |
193 type->set_relation(Contact_AddressType_Relation_MOBILE); | |
194 else | |
195 type->set_relation(Contact_AddressType_Relation_OTHER); | |
196 | |
197 GetCleanedString(address_dict, kAddressLabelField, type->mutable_label()); | |
198 } | |
199 | |
200 // Maps the protocol from a dictionary representing a contact's IM address to a | |
201 // contacts::Contact_InstantMessagingAddress_Protocol value. | |
202 contacts::Contact_InstantMessagingAddress_Protocol | |
203 GetInstantMessagingProtocol(const base::DictionaryValue& im_dict) { | |
204 std::string protocol; | |
205 im_dict.GetString(kInstantMessagingProtocolField, &protocol); | |
206 if (protocol == kInstantMessagingProtocolAimValue) | |
207 return contacts::Contact_InstantMessagingAddress_Protocol_AIM; | |
208 else if (protocol == kInstantMessagingProtocolMsnValue) | |
209 return contacts::Contact_InstantMessagingAddress_Protocol_MSN; | |
210 else if (protocol == kInstantMessagingProtocolYahooValue) | |
211 return contacts::Contact_InstantMessagingAddress_Protocol_YAHOO; | |
212 else if (protocol == kInstantMessagingProtocolSkypeValue) | |
213 return contacts::Contact_InstantMessagingAddress_Protocol_SKYPE; | |
214 else if (protocol == kInstantMessagingProtocolQqValue) | |
215 return contacts::Contact_InstantMessagingAddress_Protocol_QQ; | |
216 else if (protocol == kInstantMessagingProtocolGoogleTalkValue) | |
217 return contacts::Contact_InstantMessagingAddress_Protocol_GOOGLE_TALK; | |
218 else if (protocol == kInstantMessagingProtocolIcqValue) | |
219 return contacts::Contact_InstantMessagingAddress_Protocol_ICQ; | |
220 else if (protocol == kInstantMessagingProtocolJabberValue) | |
221 return contacts::Contact_InstantMessagingAddress_Protocol_JABBER; | |
222 else | |
223 return contacts::Contact_InstantMessagingAddress_Protocol_OTHER; | |
224 } | |
225 | |
226 // Gets the photo URL from a contact's dictionary (within the "entry" list). | |
227 // Returns an empty string if no photo was found. | |
228 std::string GetPhotoUrl(const base::DictionaryValue& dict) { | |
229 const base::ListValue* link_list = NULL; | |
230 if (!dict.GetList(kLinkField, &link_list)) | |
231 return std::string(); | |
232 | |
233 for (size_t i = 0; i < link_list->GetSize(); ++i) { | |
234 const base::DictionaryValue* link_dict = NULL; | |
235 if (!link_list->GetDictionary(i, &link_dict)) | |
236 continue; | |
237 | |
238 std::string rel; | |
239 if (!link_dict->GetString(kLinkRelField, &rel)) | |
240 continue; | |
241 if (rel != kLinkRelPhotoValue) | |
242 continue; | |
243 | |
244 // From https://goo.gl/7T6Od: "If a contact does not have a photo, then the | |
245 // photo link element has no gd:etag attribute." | |
246 std::string etag; | |
247 if (!link_dict->GetString(kLinkETagField, &etag)) | |
248 continue; | |
249 | |
250 std::string url; | |
251 if (link_dict->GetString(kLinkHrefField, &url)) | |
252 return url; | |
253 } | |
254 return std::string(); | |
255 } | |
256 | |
257 // Fills a Contact's fields using an entry from a GData feed. | |
258 bool FillContactFromDictionary(const base::DictionaryValue& dict, | |
259 contacts::Contact* contact) { | |
260 DCHECK(contact); | |
261 contact->Clear(); | |
262 | |
263 if (!dict.GetString(kIdField, contact->mutable_contact_id())) | |
264 return false; | |
265 | |
266 std::string updated; | |
267 if (dict.GetString(kUpdatedField, &updated)) { | |
268 base::Time update_time; | |
269 if (!google_apis::util::GetTimeFromString(updated, &update_time)) { | |
270 LOG(WARNING) << "Unable to parse time \"" << updated << "\""; | |
271 return false; | |
272 } | |
273 contact->set_update_time(update_time.ToInternalValue()); | |
274 } | |
275 | |
276 const base::Value* deleted_value = NULL; | |
277 contact->set_deleted(dict.Get(kDeletedField, &deleted_value)); | |
278 if (contact->deleted()) | |
279 return true; | |
280 | |
281 GetCleanedString(dict, kFullNameField, contact->mutable_full_name()); | |
282 GetCleanedString(dict, kGivenNameField, contact->mutable_given_name()); | |
283 GetCleanedString( | |
284 dict, kAdditionalNameField, contact->mutable_additional_name()); | |
285 GetCleanedString(dict, kFamilyNameField, contact->mutable_family_name()); | |
286 GetCleanedString(dict, kNamePrefixField, contact->mutable_name_prefix()); | |
287 GetCleanedString(dict, kNameSuffixField, contact->mutable_name_suffix()); | |
288 | |
289 const base::ListValue* email_list = NULL; | |
290 if (dict.GetList(kEmailField, &email_list)) { | |
291 for (size_t i = 0; i < email_list->GetSize(); ++i) { | |
292 const base::DictionaryValue* email_dict = NULL; | |
293 if (!email_list->GetDictionary(i, &email_dict)) | |
294 return false; | |
295 | |
296 contacts::Contact_EmailAddress* email = contact->add_email_addresses(); | |
297 if (!GetCleanedString(*email_dict, | |
298 kEmailAddressField, | |
299 email->mutable_address())) { | |
300 return false; | |
301 } | |
302 email->set_primary(IsAddressPrimary(*email_dict)); | |
303 InitAddressType(*email_dict, email->mutable_type()); | |
304 } | |
305 } | |
306 | |
307 const base::ListValue* phone_list = NULL; | |
308 if (dict.GetList(kPhoneField, &phone_list)) { | |
309 for (size_t i = 0; i < phone_list->GetSize(); ++i) { | |
310 const base::DictionaryValue* phone_dict = NULL; | |
311 if (!phone_list->GetDictionary(i, &phone_dict)) | |
312 return false; | |
313 | |
314 contacts::Contact_PhoneNumber* phone = contact->add_phone_numbers(); | |
315 if (!GetCleanedString(*phone_dict, | |
316 kPhoneNumberField, | |
317 phone->mutable_number())) { | |
318 return false; | |
319 } | |
320 phone->set_primary(IsAddressPrimary(*phone_dict)); | |
321 InitAddressType(*phone_dict, phone->mutable_type()); | |
322 } | |
323 } | |
324 | |
325 const base::ListValue* address_list = NULL; | |
326 if (dict.GetList(kPostalAddressField, &address_list)) { | |
327 for (size_t i = 0; i < address_list->GetSize(); ++i) { | |
328 const base::DictionaryValue* address_dict = NULL; | |
329 if (!address_list->GetDictionary(i, &address_dict)) | |
330 return false; | |
331 | |
332 contacts::Contact_PostalAddress* address = | |
333 contact->add_postal_addresses(); | |
334 if (!GetCleanedString(*address_dict, | |
335 kPostalAddressFormattedField, | |
336 address->mutable_address())) { | |
337 return false; | |
338 } | |
339 address->set_primary(IsAddressPrimary(*address_dict)); | |
340 InitAddressType(*address_dict, address->mutable_type()); | |
341 } | |
342 } | |
343 | |
344 const base::ListValue* im_list = NULL; | |
345 if (dict.GetList(kInstantMessagingField, &im_list)) { | |
346 for (size_t i = 0; i < im_list->GetSize(); ++i) { | |
347 const base::DictionaryValue* im_dict = NULL; | |
348 if (!im_list->GetDictionary(i, &im_dict)) | |
349 return false; | |
350 | |
351 contacts::Contact_InstantMessagingAddress* im = | |
352 contact->add_instant_messaging_addresses(); | |
353 if (!GetCleanedString(*im_dict, | |
354 kInstantMessagingAddressField, | |
355 im->mutable_address())) { | |
356 return false; | |
357 } | |
358 im->set_primary(IsAddressPrimary(*im_dict)); | |
359 InitAddressType(*im_dict, im->mutable_type()); | |
360 im->set_protocol(GetInstantMessagingProtocol(*im_dict)); | |
361 } | |
362 } | |
363 | |
364 return true; | |
365 } | |
366 | |
367 // Structure into which we parse the contact groups feed using | |
368 // JSONValueConverter. | |
369 struct ContactGroups { | |
370 struct ContactGroup { | |
371 // Group ID, e.g. | |
372 // "http://www.google.com/m8/feeds/groups/user%40gmail.com/base/6". | |
373 std::string group_id; | |
374 | |
375 // System group ID (e.g. "Contacts" for the "My Contacts" system group) if | |
376 // this is a system group, and empty otherwise. See http://goo.gl/oWVnN | |
377 // for more details. | |
378 std::string system_group_id; | |
379 }; | |
380 | |
381 // Given a system group ID, returns the corresponding group ID or an empty | |
382 // string if the requested system group wasn't present. | |
383 std::string GetGroupIdForSystemGroup(const std::string& system_group_id) { | |
384 for (size_t i = 0; i < groups.size(); ++i) { | |
385 const ContactGroup& group = *groups[i]; | |
386 if (group.system_group_id == system_group_id) | |
387 return group.group_id; | |
388 } | |
389 return std::string(); | |
390 } | |
391 | |
392 // Given |value| corresponding to a dictionary in a contact group feed's | |
393 // "entry" list, fills |result| with information about the group. | |
394 static bool GetContactGroup(const base::Value* value, ContactGroup* result) { | |
395 DCHECK(value); | |
396 DCHECK(result); | |
397 const base::DictionaryValue* dict = NULL; | |
398 if (!value->GetAsDictionary(&dict)) | |
399 return false; | |
400 | |
401 dict->GetString(kIdField, &result->group_id); | |
402 dict->GetString(kSystemGroupIdField, &result->system_group_id); | |
403 return true; | |
404 } | |
405 | |
406 static void RegisterJSONConverter( | |
407 base::JSONValueConverter<ContactGroups>* converter) { | |
408 DCHECK(converter); | |
409 converter->RegisterRepeatedCustomValue<ContactGroup>( | |
410 kGroupEntryField, &ContactGroups::groups, &GetContactGroup); | |
411 } | |
412 | |
413 ScopedVector<ContactGroup> groups; | |
414 }; | |
415 | |
416 } // namespace | |
417 | |
418 // This class handles a single request to download all of a user's contacts. | |
419 // | |
420 // First, the feed containing the user's contact groups is downloaded via | |
421 // GetContactGroupsRequest and examined to find the ID for the "My Contacts" | |
422 // group (by default, the contacts API also returns suggested contacts). The | |
423 // group ID is cached in GDataContactsService so that this step can be skipped | |
424 // by later DownloadContactRequests. | |
425 // | |
426 // Next, the contacts feed is downloaded via GetContactsRequest and parsed. | |
427 // Individual contacts::Contact objects are created using the data from the | |
428 // feed. | |
429 // | |
430 // Finally, GetContactPhotoRequests are created and used to start downloading | |
431 // contacts' photos in parallel. When all photos have been downloaded, the | |
432 // contacts are passed to the passed-in callback. | |
433 class GDataContactsService::DownloadContactsRequest { | |
434 public: | |
435 DownloadContactsRequest( | |
436 GDataContactsService* service, | |
437 google_apis::RequestSender* sender, | |
438 SuccessCallback success_callback, | |
439 FailureCallback failure_callback, | |
440 const base::Time& min_update_time) | |
441 : service_(service), | |
442 sender_(sender), | |
443 success_callback_(success_callback), | |
444 failure_callback_(failure_callback), | |
445 min_update_time_(min_update_time), | |
446 contacts_(new ScopedVector<contacts::Contact>), | |
447 my_contacts_group_id_(service->cached_my_contacts_group_id_), | |
448 num_in_progress_photo_downloads_(0), | |
449 photo_download_failed_(false), | |
450 num_photo_download_404_errors_(0), | |
451 total_photo_bytes_(0), | |
452 weak_ptr_factory_(this) { | |
453 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
454 DCHECK(service_); | |
455 DCHECK(sender_); | |
456 } | |
457 | |
458 ~DownloadContactsRequest() { | |
459 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
460 service_ = NULL; | |
461 sender_ = NULL; | |
462 } | |
463 | |
464 const std::string my_contacts_group_id() const { | |
465 return my_contacts_group_id_; | |
466 } | |
467 | |
468 // Begins the contacts-downloading process. If the ID for the "My Contacts" | |
469 // group has previously been cached, then the contacts download is started. | |
470 // Otherwise, the contact groups download is started. | |
471 void Run() { | |
472 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
473 download_start_time_ = base::TimeTicks::Now(); | |
474 if (!my_contacts_group_id_.empty()) { | |
475 StartContactsDownload(); | |
476 } else { | |
477 google_apis::GetContactGroupsRequest* operation = | |
478 new google_apis::GetContactGroupsRequest( | |
479 sender_, | |
480 base::Bind(&DownloadContactsRequest::HandleGroupsFeedData, | |
481 weak_ptr_factory_.GetWeakPtr())); | |
482 if (!service_->groups_feed_url_for_testing_.is_empty()) { | |
483 operation->set_feed_url_for_testing( | |
484 service_->groups_feed_url_for_testing_); | |
485 } | |
486 sender_->StartRequestWithRetry(operation); | |
487 } | |
488 } | |
489 | |
490 private: | |
491 // Invokes the failure callback and notifies GDataContactsService that the | |
492 // request is done. | |
493 void ReportFailure(HistogramResult histogram_result) { | |
494 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
495 SendHistograms(histogram_result); | |
496 failure_callback_.Run(); | |
497 service_->OnRequestComplete(this); | |
498 } | |
499 | |
500 // Reports UMA stats after the request has completed. | |
501 void SendHistograms(HistogramResult result) { | |
502 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
503 DCHECK_GE(result, 0); | |
504 DCHECK_LT(result, HISTOGRAM_RESULT_MAX_VALUE); | |
505 | |
506 bool success = (result == HISTOGRAM_RESULT_SUCCESS); | |
507 base::TimeDelta elapsed_time = | |
508 base::TimeTicks::Now() - download_start_time_; | |
509 int photo_error_percent = static_cast<int>( | |
510 100.0 * transient_photo_download_errors_per_contact_.size() / | |
511 contact_photo_urls_.size() + 0.5); | |
512 | |
513 if (min_update_time_.is_null()) { | |
514 UMA_HISTOGRAM_ENUMERATION("Contacts.FullUpdateResult", | |
515 result, HISTOGRAM_RESULT_MAX_VALUE); | |
516 if (success) { | |
517 UMA_HISTOGRAM_MEDIUM_TIMES("Contacts.FullUpdateDuration", | |
518 elapsed_time); | |
519 UMA_HISTOGRAM_COUNTS_10000("Contacts.FullUpdateContacts", | |
520 contacts_->size()); | |
521 UMA_HISTOGRAM_COUNTS_10000("Contacts.FullUpdatePhotos", | |
522 contact_photo_urls_.size()); | |
523 UMA_HISTOGRAM_MEMORY_KB("Contacts.FullUpdatePhotoBytes", | |
524 total_photo_bytes_); | |
525 UMA_HISTOGRAM_COUNTS_10000("Contacts.FullUpdatePhoto404Errors", | |
526 num_photo_download_404_errors_); | |
527 UMA_HISTOGRAM_PERCENTAGE("Contacts.FullUpdatePhotoErrorPercent", | |
528 photo_error_percent); | |
529 } | |
530 } else { | |
531 UMA_HISTOGRAM_ENUMERATION("Contacts.IncrementalUpdateResult", | |
532 result, HISTOGRAM_RESULT_MAX_VALUE); | |
533 if (success) { | |
534 UMA_HISTOGRAM_MEDIUM_TIMES("Contacts.IncrementalUpdateDuration", | |
535 elapsed_time); | |
536 UMA_HISTOGRAM_COUNTS_10000("Contacts.IncrementalUpdateContacts", | |
537 contacts_->size()); | |
538 UMA_HISTOGRAM_COUNTS_10000("Contacts.IncrementalUpdatePhotos", | |
539 contact_photo_urls_.size()); | |
540 UMA_HISTOGRAM_MEMORY_KB("Contacts.IncrementalUpdatePhotoBytes", | |
541 total_photo_bytes_); | |
542 UMA_HISTOGRAM_COUNTS_10000("Contacts.IncrementalUpdatePhoto404Errors", | |
543 num_photo_download_404_errors_); | |
544 UMA_HISTOGRAM_PERCENTAGE("Contacts.IncrementalUpdatePhotoErrorPercent", | |
545 photo_error_percent); | |
546 } | |
547 } | |
548 } | |
549 | |
550 // Callback for GetContactGroupsRequest calls. Starts downloading the | |
551 // actual contacts after finding the "My Contacts" group ID. | |
552 void HandleGroupsFeedData(google_apis::GDataErrorCode error, | |
553 scoped_ptr<base::Value> feed_data) { | |
554 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
555 if (error != google_apis::HTTP_SUCCESS) { | |
556 LOG(WARNING) << "Got error " << error << " while downloading groups"; | |
557 ReportFailure(HISTOGRAM_RESULT_GROUPS_DOWNLOAD_FAILURE); | |
558 return; | |
559 } | |
560 | |
561 VLOG(2) << "Got groups feed data:\n" | |
562 << PrettyPrintValue(*(feed_data.get())); | |
563 ContactGroups groups; | |
564 base::JSONValueConverter<ContactGroups> converter; | |
565 if (!converter.Convert(*feed_data, &groups)) { | |
566 LOG(WARNING) << "Unable to parse groups feed"; | |
567 ReportFailure(HISTOGRAM_RESULT_GROUPS_PARSE_FAILURE); | |
568 return; | |
569 } | |
570 | |
571 my_contacts_group_id_ = | |
572 groups.GetGroupIdForSystemGroup(kMyContactsSystemGroupId); | |
573 if (!my_contacts_group_id_.empty()) { | |
574 StartContactsDownload(); | |
575 } else { | |
576 LOG(WARNING) << "Unable to find ID for \"My Contacts\" group"; | |
577 ReportFailure(HISTOGRAM_RESULT_MY_CONTACTS_GROUP_NOT_FOUND); | |
578 } | |
579 } | |
580 | |
581 // Starts a download of the contacts from the "My Contacts" group. | |
582 void StartContactsDownload() { | |
583 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
584 google_apis::GetContactsRequest* operation = | |
585 new google_apis::GetContactsRequest( | |
586 sender_, | |
587 my_contacts_group_id_, | |
588 min_update_time_, | |
589 base::Bind(&DownloadContactsRequest::HandleContactsFeedData, | |
590 weak_ptr_factory_.GetWeakPtr())); | |
591 if (!service_->contacts_feed_url_for_testing_.is_empty()) { | |
592 operation->set_feed_url_for_testing( | |
593 service_->contacts_feed_url_for_testing_); | |
594 } | |
595 sender_->StartRequestWithRetry(operation); | |
596 } | |
597 | |
598 // Callback for GetContactsRequest calls. | |
599 void HandleContactsFeedData(google_apis::GDataErrorCode error, | |
600 scoped_ptr<base::Value> feed_data) { | |
601 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
602 if (error != google_apis::HTTP_SUCCESS) { | |
603 LOG(WARNING) << "Got error " << error << " while downloading contacts"; | |
604 ReportFailure(HISTOGRAM_RESULT_CONTACTS_DOWNLOAD_FAILURE); | |
605 return; | |
606 } | |
607 | |
608 VLOG(2) << "Got contacts feed data:\n" | |
609 << PrettyPrintValue(*(feed_data.get())); | |
610 if (!ProcessContactsFeedData(*feed_data.get())) { | |
611 LOG(WARNING) << "Unable to process contacts feed data"; | |
612 ReportFailure(HISTOGRAM_RESULT_CONTACTS_PARSE_FAILURE); | |
613 return; | |
614 } | |
615 | |
616 StartPhotoDownloads(); | |
617 photo_download_timer_.Start( | |
618 FROM_HERE, service_->photo_download_timer_interval_, | |
619 this, &DownloadContactsRequest::StartPhotoDownloads); | |
620 CheckCompletion(); | |
621 } | |
622 | |
623 // Processes the raw contacts feed from |feed_data| and fills |contacts_|. | |
624 // Returns true on success. | |
625 bool ProcessContactsFeedData(const base::Value& feed_data) { | |
626 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
627 const base::DictionaryValue* toplevel_dict = NULL; | |
628 if (!feed_data.GetAsDictionary(&toplevel_dict)) { | |
629 LOG(WARNING) << "Top-level object is not a dictionary"; | |
630 return false; | |
631 } | |
632 | |
633 const base::DictionaryValue* feed_dict = NULL; | |
634 if (!toplevel_dict->GetDictionary(kFeedField, &feed_dict)) { | |
635 LOG(WARNING) << "Feed dictionary missing"; | |
636 return false; | |
637 } | |
638 | |
639 // Check the category field to confirm that this is actually a contact feed. | |
640 const base::ListValue* category_list = NULL; | |
641 if (!feed_dict->GetList(kCategoryField, &category_list)) { | |
642 LOG(WARNING) << "Category list missing"; | |
643 return false; | |
644 } | |
645 const base::DictionaryValue* category_dict = NULL; | |
646 if (category_list->GetSize() != 1 || | |
647 !category_list->GetDictionary(0, &category_dict)) { | |
648 LOG(WARNING) << "Unable to get dictionary from category list of size " | |
649 << category_list->GetSize(); | |
650 return false; | |
651 } | |
652 std::string category_scheme, category_term; | |
653 if (!category_dict->GetString(kCategorySchemeField, &category_scheme) || | |
654 !category_dict->GetString(kCategoryTermField, &category_term) || | |
655 category_scheme != kCategorySchemeValue || | |
656 category_term != kCategoryTermValue) { | |
657 LOG(WARNING) << "Unexpected category (scheme was \"" << category_scheme | |
658 << "\", term was \"" << category_term << "\")"; | |
659 return false; | |
660 } | |
661 | |
662 // A missing entry list means no entries (maybe we're doing an incremental | |
663 // update and nothing has changed). | |
664 const base::ListValue* entry_list = NULL; | |
665 if (!feed_dict->GetList(kEntryField, &entry_list)) | |
666 return true; | |
667 | |
668 contacts_needing_photo_downloads_.reserve(entry_list->GetSize()); | |
669 | |
670 for (base::ListValue::const_iterator entry_it = entry_list->begin(); | |
671 entry_it != entry_list->end(); ++entry_it) { | |
672 const size_t index = (entry_it - entry_list->begin()); | |
673 const base::DictionaryValue* contact_dict = NULL; | |
674 if (!(*entry_it)->GetAsDictionary(&contact_dict)) { | |
675 LOG(WARNING) << "Entry " << index << " isn't a dictionary"; | |
676 return false; | |
677 } | |
678 | |
679 scoped_ptr<contacts::Contact> contact(new contacts::Contact); | |
680 if (!FillContactFromDictionary(*contact_dict, contact.get())) { | |
681 LOG(WARNING) << "Unable to fill entry " << index; | |
682 return false; | |
683 } | |
684 | |
685 VLOG(1) << "Got contact " << index << ":" | |
686 << " id=" << contact->contact_id() | |
687 << " full_name=\"" << contact->full_name() << "\"" | |
688 << " update_time=" << contact->update_time(); | |
689 | |
690 std::string photo_url = GetPhotoUrl(*contact_dict); | |
691 if (!photo_url.empty()) { | |
692 if (!service_->rewrite_photo_url_callback_for_testing_.is_null()) { | |
693 photo_url = | |
694 service_->rewrite_photo_url_callback_for_testing_.Run(photo_url); | |
695 } | |
696 contact_photo_urls_[contact.get()] = photo_url; | |
697 contacts_needing_photo_downloads_.push_back(contact.get()); | |
698 } | |
699 | |
700 contacts_->push_back(contact.release()); | |
701 } | |
702 | |
703 return true; | |
704 } | |
705 | |
706 // If we're done downloading photos, invokes a callback and deletes |this|. | |
707 // Otherwise, starts one or more downloads of URLs from | |
708 // |contacts_needing_photo_downloads_|. | |
709 void CheckCompletion() { | |
710 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
711 if (contacts_needing_photo_downloads_.empty() && | |
712 num_in_progress_photo_downloads_ == 0) { | |
713 VLOG(1) << "Done downloading photos; invoking callback"; | |
714 photo_download_timer_.Stop(); | |
715 if (photo_download_failed_) { | |
716 ReportFailure(HISTOGRAM_RESULT_PHOTO_DOWNLOAD_FAILURE ); | |
717 } else { | |
718 SendHistograms(HISTOGRAM_RESULT_SUCCESS); | |
719 success_callback_.Run(contacts_.Pass()); | |
720 service_->OnRequestComplete(this); | |
721 } | |
722 return; | |
723 } | |
724 } | |
725 | |
726 // Starts photo downloads for contacts in |contacts_needing_photo_downloads_|. | |
727 // Should be invoked only once per second. | |
728 void StartPhotoDownloads() { | |
729 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
730 while (!contacts_needing_photo_downloads_.empty() && | |
731 (num_in_progress_photo_downloads_ < | |
732 service_->max_photo_downloads_per_second_)) { | |
733 contacts::Contact* contact = contacts_needing_photo_downloads_.back(); | |
734 contacts_needing_photo_downloads_.pop_back(); | |
735 DCHECK(contact_photo_urls_.count(contact)); | |
736 std::string url = contact_photo_urls_[contact]; | |
737 | |
738 VLOG(1) << "Starting download of photo " << url << " for " | |
739 << contact->contact_id(); | |
740 sender_->StartRequestWithRetry( | |
741 new google_apis::GetContactPhotoRequest( | |
742 sender_, | |
743 GURL(url), | |
744 base::Bind(&DownloadContactsRequest::HandlePhotoData, | |
745 weak_ptr_factory_.GetWeakPtr(), | |
746 contact))); | |
747 num_in_progress_photo_downloads_++; | |
748 } | |
749 } | |
750 | |
751 // Callback for GetContactPhotoRequest calls. Updates the associated | |
752 // Contact and checks for completion. | |
753 void HandlePhotoData(contacts::Contact* contact, | |
754 google_apis::GDataErrorCode error, | |
755 scoped_ptr<std::string> download_data) { | |
756 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
757 VLOG(1) << "Got photo data for " << contact->contact_id() | |
758 << " (error=" << error << " size=" << download_data->size() << ")"; | |
759 num_in_progress_photo_downloads_--; | |
760 | |
761 if (error == google_apis::HTTP_INTERNAL_SERVER_ERROR || | |
762 error == google_apis::HTTP_SERVICE_UNAVAILABLE) { | |
763 int num_errors = ++transient_photo_download_errors_per_contact_[contact]; | |
764 if (num_errors <= kMaxTransientPhotoDownloadErrorsPerContact) { | |
765 LOG(WARNING) << "Got error " << error << " while downloading photo " | |
766 << "for " << contact->contact_id() << "; retrying"; | |
767 contacts_needing_photo_downloads_.push_back(contact); | |
768 return; | |
769 } | |
770 } | |
771 | |
772 if (error == google_apis::HTTP_NOT_FOUND) { | |
773 LOG(WARNING) << "Got error " << error << " while downloading photo " | |
774 << "for " << contact->contact_id() << "; skipping"; | |
775 num_photo_download_404_errors_++; | |
776 CheckCompletion(); | |
777 return; | |
778 } | |
779 | |
780 if (error != google_apis::HTTP_SUCCESS) { | |
781 LOG(WARNING) << "Got error " << error << " while downloading photo " | |
782 << "for " << contact->contact_id() << "; giving up"; | |
783 photo_download_failed_ = true; | |
784 // Make sure we don't start any more downloads. | |
785 contacts_needing_photo_downloads_.clear(); | |
786 CheckCompletion(); | |
787 return; | |
788 } | |
789 | |
790 total_photo_bytes_ += download_data->size(); | |
791 contact->set_raw_untrusted_photo(*download_data); | |
792 CheckCompletion(); | |
793 } | |
794 | |
795 typedef std::map<contacts::Contact*, std::string> ContactPhotoUrls; | |
796 | |
797 GDataContactsService* service_; // not owned | |
798 google_apis::RequestSender* sender_; // not owned | |
799 | |
800 SuccessCallback success_callback_; | |
801 FailureCallback failure_callback_; | |
802 | |
803 base::Time min_update_time_; | |
804 | |
805 scoped_ptr<ScopedVector<contacts::Contact> > contacts_; | |
806 | |
807 // ID of the "My Contacts" contacts group. | |
808 std::string my_contacts_group_id_; | |
809 | |
810 // Map from a contact to the URL at which its photo is located. | |
811 // Contacts without photos do not appear in this map. | |
812 ContactPhotoUrls contact_photo_urls_; | |
813 | |
814 // Invokes StartPhotoDownloads() once per second. | |
815 base::RepeatingTimer<DownloadContactsRequest> photo_download_timer_; | |
816 | |
817 // Contacts that have photos that we still need to start downloading. | |
818 // When we start a download, the contact is removed from this list. | |
819 std::vector<contacts::Contact*> contacts_needing_photo_downloads_; | |
820 | |
821 // Number of in-progress photo downloads. | |
822 int num_in_progress_photo_downloads_; | |
823 | |
824 // Map from a contact to the number of transient errors that we've encountered | |
825 // while trying to download its photo. Contacts for which no errors have been | |
826 // encountered aren't represented in the map. | |
827 std::map<contacts::Contact*, int> | |
828 transient_photo_download_errors_per_contact_; | |
829 | |
830 // Did we encounter a fatal error while downloading a photo? | |
831 bool photo_download_failed_; | |
832 | |
833 // How many photos did we skip due to 404 errors? | |
834 int num_photo_download_404_errors_; | |
835 | |
836 // Total size of all photos that were downloaded. | |
837 size_t total_photo_bytes_; | |
838 | |
839 // Time at which Run() was called. | |
840 base::TimeTicks download_start_time_; | |
841 | |
842 // Note: This should remain the last member so it'll be destroyed and | |
843 // invalidate its weak pointers before any other members are destroyed. | |
844 base::WeakPtrFactory<DownloadContactsRequest> weak_ptr_factory_; | |
845 | |
846 DISALLOW_COPY_AND_ASSIGN(DownloadContactsRequest); | |
847 }; | |
848 | |
849 GDataContactsService::GDataContactsService( | |
850 net::URLRequestContextGetter* url_request_context_getter, | |
851 google_apis::AuthServiceInterface* auth_service) | |
852 : max_photo_downloads_per_second_(kMaxPhotoDownloadsPerSecond), | |
853 photo_download_timer_interval_(base::TimeDelta::FromSeconds(1)) { | |
854 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
855 sender_.reset(new google_apis::RequestSender( | |
856 auth_service, | |
857 url_request_context_getter, | |
858 BrowserThread::GetBlockingPool()->GetSequencedTaskRunner( | |
859 BrowserThread::GetBlockingPool()->GetSequenceToken()).get(), | |
860 "" /* custom_user_agent */)); | |
861 } | |
862 | |
863 GDataContactsService::~GDataContactsService() { | |
864 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
865 STLDeleteContainerPointers(requests_.begin(), requests_.end()); | |
866 requests_.clear(); | |
867 } | |
868 | |
869 void GDataContactsService::DownloadContacts(SuccessCallback success_callback, | |
870 FailureCallback failure_callback, | |
871 const base::Time& min_update_time) { | |
872 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
873 DownloadContactsRequest* request = | |
874 new DownloadContactsRequest(this, | |
875 sender_.get(), | |
876 success_callback, | |
877 failure_callback, | |
878 min_update_time); | |
879 VLOG(1) << "Starting contacts download with request " << request; | |
880 requests_.insert(request); | |
881 request->Run(); | |
882 } | |
883 | |
884 void GDataContactsService::OnRequestComplete(DownloadContactsRequest* request) { | |
885 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
886 DCHECK(request); | |
887 VLOG(1) << "Download request " << request << " complete"; | |
888 if (!request->my_contacts_group_id().empty()) | |
889 cached_my_contacts_group_id_ = request->my_contacts_group_id(); | |
890 requests_.erase(request); | |
891 delete request; | |
892 } | |
893 | |
894 } // namespace contacts | |
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