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1 // Copyright 2013 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/net/spdyproxy/data_reduction_proxy_settings_android.h" | |
6 | |
7 #include "base/android/build_info.h" | |
8 #include "base/android/jni_android.h" | |
9 #include "base/android/jni_string.h" | |
10 #include "base/base64.h" | |
11 #include "base/bind.h" | |
12 #include "base/command_line.h" | |
13 #include "base/metrics/field_trial.h" | |
14 #include "base/metrics/histogram.h" | |
15 #include "base/prefs/pref_change_registrar.h" | |
16 #include "base/prefs/pref_service.h" | |
17 #include "base/strings/string_number_conversions.h" | |
18 #include "base/strings/string_util.h" | |
19 #include "base/strings/stringprintf.h" | |
20 #include "base/strings/utf_string_conversions.h" | |
21 #include "chrome/browser/browser_process.h" | |
22 #include "chrome/browser/prefs/proxy_prefs.h" | |
23 #include "chrome/browser/prefs/scoped_user_pref_update.h" | |
24 #include "chrome/browser/profiles/profile.h" | |
25 #include "chrome/browser/profiles/profile_manager.h" | |
26 #include "chrome/common/chrome_switches.h" | |
27 #include "chrome/common/pref_names.h" | |
28 #include "jni/DataReductionProxySettingsAndroid_jni.h" | |
29 #include "net/base/host_port_pair.h" | |
30 #include "net/base/load_flags.h" | |
31 #include "net/base/net_errors.h" | |
32 #include "net/url_request/url_fetcher.h" | |
33 #include "net/url_request/url_fetcher_delegate.h" | |
34 #include "net/url_request/url_request_status.h" | |
35 #include "url/gurl.h" | |
36 | |
37 using base::android::CheckException; | |
38 using base::android::ConvertJavaStringToUTF8; | |
39 using base::android::ConvertUTF8ToJavaString; | |
40 using base::android::ScopedJavaLocalRef; | |
41 using base::FieldTrialList; | |
42 using base::StringPrintf; | |
43 | |
44 | |
45 namespace { | |
46 | |
47 // The C++ definition of enum SpdyProxyAuthState defined in | |
48 // tools/histograms/histograms.xml. | |
49 // New values should be added at the end before |NUM_SPDY_PROXY_AUTH_STATE| | |
mmenke
2013/09/17 20:25:25
nit: +period.
bengr
2013/09/18 22:15:26
Done.
| |
50 enum { | |
51 CHROME_STARTUP, | |
52 SPDY_PROXY_AUTH_ON_AT_STARTUP, | |
53 SPDY_PROXY_AUTH_ON_BY_USER, | |
54 SPDY_PROXY_AUTH_OFF_BY_USER, | |
55 // Used by UMA histograms and should always be the last value. | |
56 NUM_SPDY_PROXY_AUTH_STATE | |
57 }; | |
58 | |
59 bool IsProxyOriginSetOnCommandLine() { | |
60 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
61 if (command_line.HasSwitch(switches::kSpdyProxyAuthOrigin)) { | |
62 return true; | |
63 } | |
64 return false; | |
65 } | |
66 | |
67 bool IsProxyAllowed() { | |
68 return IsProxyOriginSetOnCommandLine() || | |
69 (FieldTrialList::FindFullName("DataCompressionProxyRollout") == | |
70 "Enabled"); | |
71 } | |
72 | |
73 bool IsProxyPromoAllowed() { | |
74 return IsProxyOriginSetOnCommandLine() || | |
75 (IsProxyAllowed() && | |
76 FieldTrialList::FindFullName("DataCompressionProxyPromoVisibility") == | |
77 "Enabled"); | |
78 } | |
79 | |
80 int64 GetInt64PrefValue(const ListValue& list_value, size_t index) { | |
81 int64 val = 0; | |
82 std::string pref_value; | |
83 bool rv = list_value.GetString(index, &pref_value); | |
84 DCHECK(rv); | |
85 if (rv) { | |
86 rv = base::StringToInt64(pref_value, &val); | |
87 DCHECK(rv); | |
88 } | |
89 return val; | |
90 } | |
91 | |
92 std::string GetProxyCheckURL(){ | |
93 if (!IsProxyAllowed()) | |
94 return std::string(); | |
95 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
96 if (command_line.HasSwitch(switches::kDataReductionProxyProbeURL)) { | |
97 return command_line.GetSwitchValueASCII(switches::kSpdyProxyAuthOrigin); | |
mmenke
2013/09/17 20:25:25
switches::kDataReductionProxyProbeURL?
bengr
2013/09/18 22:15:26
Done. (Sorry, I caught this one after uploading an
| |
98 } | |
99 #if defined(DATA_REDUCTION_PROXY_PROBE_URL) | |
100 return DATA_REDUCTION_PROXY_PROBE_URL; | |
101 #else | |
102 return std::string(); | |
103 #endif | |
104 } | |
105 | |
106 } // namespace | |
107 | |
108 | |
109 DataReductionProxySettingsAndroid::DataReductionProxySettingsAndroid( | |
110 JNIEnv* env, jobject obj) | |
111 : has_turned_on_(false), | |
112 has_turned_off_(false), | |
113 disabled_by_carrier_(false), | |
114 enabled_by_user_(false) { | |
115 } | |
116 | |
117 DataReductionProxySettingsAndroid::~DataReductionProxySettingsAndroid() { | |
118 } | |
119 | |
120 void DataReductionProxySettingsAndroid::InitDataReductionProxySettings( | |
121 JNIEnv* env, | |
122 jobject obj) { | |
123 // Disable the proxy if it is not allowed to be used. | |
124 if (!IsProxyAllowed()) | |
125 return; | |
126 | |
127 pref_change_registrar_.Init(GetOriginalProfilePrefs()); | |
128 pref_change_registrar_.Add( | |
129 prefs::kSpdyProxyAuthEnabled, | |
130 base::Bind(&DataReductionProxySettingsAndroid::OnProxyEnabledPrefChange, | |
131 base::Unretained(this))); | |
mmenke
2013/09/17 20:25:25
Rather than use both a registrar and a pref lookup
bengr
2013/09/18 22:15:26
Done.
| |
132 | |
133 AddDefaultProxyBypassRules(); | |
134 net::NetworkChangeNotifier::AddIPAddressObserver(this); | |
135 | |
136 PrefService* prefs = GetOriginalProfilePrefs(); | |
137 CommandLine* command_line = CommandLine::ForCurrentProcess(); | |
138 bool spdy_proxy_enabled = prefs->GetBoolean(prefs::kSpdyProxyAuthEnabled); | |
139 | |
140 // Setting the kEnableSpdyProxyAuth switch has the same effect as enabling | |
141 // the feature via settings, in that once set, the preference will be sticky | |
142 // across instances of Chrome. Disabling the feature can only be done through | |
143 // the settings menu. | |
144 UMA_HISTOGRAM_ENUMERATION("SpdyProxyAuth.State", CHROME_STARTUP, | |
145 NUM_SPDY_PROXY_AUTH_STATE); | |
146 if (command_line->HasSwitch(switches::kEnableSpdyProxyAuth) || | |
147 spdy_proxy_enabled) { | |
mmenke
2013/09/17 20:25:25
nit: Checking spdy_proxy_enabled_ first is margin
bengr
2013/09/18 22:15:26
Done.
| |
148 MaybeActivateDataReductionProxy(true); | |
149 } else { | |
150 LOG(WARNING) << "SPDY proxy OFF at startup."; | |
151 } | |
152 } | |
153 | |
154 void DataReductionProxySettingsAndroid::BypassHostPattern( | |
155 JNIEnv* env, jobject obj, jstring pattern) { | |
156 AddHostPatternToBypass(ConvertJavaStringToUTF8(env, pattern)); | |
157 } | |
158 void DataReductionProxySettingsAndroid::BypassURLPattern( | |
159 JNIEnv* env, jobject obj, jstring pattern) { | |
160 AddURLPatternToBypass(ConvertJavaStringToUTF8(env, pattern)); | |
161 } | |
162 | |
163 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyAllowed( | |
164 JNIEnv* env, jobject obj) { | |
165 return IsProxyAllowed(); | |
166 } | |
167 | |
168 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyPromoAllowed( | |
169 JNIEnv* env, jobject obj) { | |
170 return IsProxyPromoAllowed(); | |
171 } | |
172 | |
173 ScopedJavaLocalRef<jstring> | |
174 DataReductionProxySettingsAndroid::GetDataReductionProxyOrigin( | |
175 JNIEnv* env, jobject obj) { | |
176 return ConvertUTF8ToJavaString(env, GetDataReductionProxyOriginInternal()); | |
177 } | |
178 | |
179 ScopedJavaLocalRef<jstring> | |
180 DataReductionProxySettingsAndroid::GetDataReductionProxyAuth( | |
181 JNIEnv* env, jobject obj) { | |
182 if (!IsProxyAllowed()) | |
183 return ConvertUTF8ToJavaString(env, std::string()); | |
184 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
185 if (command_line.HasSwitch(switches::kSpdyProxyAuthOrigin)) { | |
186 // If an origin is provided via a switch, then only consider the value | |
187 // that is provided by a switch. Do not use the preprocessor constant. | |
188 if (command_line.HasSwitch(switches::kSpdyProxyAuthValue)) { | |
189 return ConvertUTF8ToJavaString( | |
190 env, | |
191 command_line.GetSwitchValueASCII(switches::kSpdyProxyAuthValue)); | |
192 } | |
193 return ConvertUTF8ToJavaString(env, std::string()); | |
mmenke
2013/09/17 20:25:25
Think this is worth a comment (Just something alon
bengr
2013/09/18 22:15:26
Done.
| |
194 } | |
195 #if defined(SPDY_PROXY_AUTH_VALUE) | |
196 return ConvertUTF8ToJavaString(env, SPDY_PROXY_AUTH_VALUE); | |
197 #else | |
198 return ConvertUTF8ToJavaString(env, std::string()); | |
199 #endif | |
200 } | |
201 | |
202 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyEnabled( | |
203 JNIEnv* env, jobject obj) { | |
204 return GetOriginalProfilePrefs()->GetBoolean(prefs::kSpdyProxyAuthEnabled); | |
205 } | |
206 | |
207 jboolean DataReductionProxySettingsAndroid::IsDataReductionProxyManaged( | |
208 JNIEnv* env, jobject obj) { | |
209 return GetOriginalProfilePrefs()->IsManagedPreference( | |
210 prefs::kSpdyProxyAuthEnabled); | |
211 } | |
212 | |
213 void DataReductionProxySettingsAndroid::SetDataReductionProxyEnabled( | |
mmenke
2013/09/17 20:25:25
Are there already Java functions to set preference
bengr
2013/09/18 22:15:26
This is how Chrome for Android does things.
| |
214 JNIEnv* env, | |
215 jobject obj, | |
216 jboolean enabled) { | |
217 // Prevent configuring the proxy when it is not allowed to be used. | |
218 if (!IsProxyAllowed()) | |
219 return; | |
220 | |
221 PrefService* prefs = GetOriginalProfilePrefs(); | |
222 prefs->SetBoolean(prefs::kSpdyProxyAuthEnabled, enabled); | |
223 } | |
224 | |
225 jlong DataReductionProxySettingsAndroid::GetDataReductionLastUpdateTime( | |
226 JNIEnv* env, jobject obj) { | |
227 PrefService* local_state = GetLocalStatePrefs(); | |
228 int64 last_update_internal = | |
229 local_state->GetInt64(prefs::kDailyHttpContentLengthLastUpdateDate); | |
230 base::Time last_update = base::Time::FromInternalValue(last_update_internal); | |
231 return static_cast<int64>(last_update.ToJsTime()); | |
232 } | |
233 | |
234 base::android::ScopedJavaLocalRef<jobject> | |
235 DataReductionProxySettingsAndroid::GetContentLengths(JNIEnv* env, | |
236 jobject obj) { | |
237 int64 original_content_length; | |
238 int64 received_content_length; | |
239 int64 last_update_internal; | |
240 GetContentLengthsInternal(spdyproxy::kNumDaysInHistorySummary, | |
241 &original_content_length, | |
242 &received_content_length, &last_update_internal); | |
243 | |
244 return Java_ContentLengths_create(env, | |
245 original_content_length, | |
246 received_content_length); | |
247 } | |
248 | |
249 ScopedJavaLocalRef<jlongArray> | |
250 DataReductionProxySettingsAndroid::GetDailyOriginalContentLengths( | |
251 JNIEnv* env, jobject obj) { | |
252 return GetDailyContentLengths(env, prefs::kDailyHttpOriginalContentLength); | |
253 } | |
254 | |
255 ScopedJavaLocalRef<jlongArray> | |
256 DataReductionProxySettingsAndroid::GetDailyReceivedContentLengths( | |
257 JNIEnv* env, jobject obj) { | |
258 return GetDailyContentLengths(env, prefs::kDailyHttpReceivedContentLength); | |
259 } | |
260 | |
261 // static | |
262 bool DataReductionProxySettingsAndroid::Register(JNIEnv* env) { | |
263 bool register_natives_impl_result = RegisterNativesImpl(env); | |
264 return register_natives_impl_result; | |
265 } | |
266 | |
267 void DataReductionProxySettingsAndroid::OnURLFetchComplete( | |
268 const net::URLFetcher* source) { | |
269 net::URLRequestStatus status = source->GetStatus(); | |
270 if (status.status() == net::URLRequestStatus::FAILED && | |
271 status.error() == net::ERR_INTERNET_DISCONNECTED) { | |
272 return; | |
273 } | |
274 | |
275 std::string response; | |
276 source->GetResponseAsString(&response); | |
277 | |
278 if ("OK" == response.substr(0, 2)) { | |
279 DVLOG(1) << "The data reduction proxy is not blocked."; | |
280 | |
281 if (enabled_by_user_ && disabled_by_carrier_) { | |
282 // The user enabled the proxy, but sometime previously in the session, | |
283 // the network operator had blocked the proxy. Now that the network | |
284 // operator is unblocking it, configure it to the user's desires. | |
285 SetProxyPac(true, false); | |
286 } | |
287 disabled_by_carrier_ = false; | |
288 return; | |
289 } | |
290 DVLOG(1) << "The data reduction proxy is blocked."; | |
291 | |
292 if (enabled_by_user_ && !disabled_by_carrier_) { | |
293 // Disable the proxy. | |
294 SetProxyPac(false, false); | |
295 } | |
296 disabled_by_carrier_ = true; | |
297 } | |
298 | |
299 void DataReductionProxySettingsAndroid::OnIPAddressChanged() { | |
300 if (enabled_by_user_) | |
mmenke
2013/09/17 20:25:25
DCHECK(IsProxyAllowed())? We should maintain some
bengr
2013/09/18 22:15:26
Done.
| |
301 ProbeWhetherDataReductionProxyIsAvailable(); | |
302 } | |
303 | |
304 void DataReductionProxySettingsAndroid::OnProxyEnabledPrefChange() { | |
mmenke
2013/09/17 20:25:25
Should we just exit of not Allowed?
mmenke
2013/09/17 21:51:51
Err.... Or "kEnableSpdyProxyAuth" is set - either
bengr
2013/09/18 22:15:26
Done.
bengr
2013/09/18 22:15:26
One reason to separate is for the UI. I.e., we sho
| |
305 MaybeActivateDataReductionProxy(false); | |
306 } | |
307 | |
308 void DataReductionProxySettingsAndroid::AddDefaultProxyBypassRules() { | |
309 // localhost | |
310 AddHostToBypass("localhost"); | |
311 AddHostPatternToBypass("localhost.*"); | |
312 AddHostToBypass("127.0.0.1"); | |
313 AddHostToBypass("[::1]"); | |
mmenke
2013/09/17 20:25:25
I believe you can use about:net-internals#events.
bengr
2013/09/18 22:15:26
Done.
| |
314 // TODO(bengr): revisit 192.168.*, 10.*, 172.16.0.0 - 172.31.255.255. The | |
315 // concern was that adding these and other rules would add to the processing | |
316 // time. | |
317 | |
318 // TODO(bengr): See http://crbug.com/169959. For some reason the data | |
319 // reduction proxy is breaking the omnibox SearchProvider. Remove this rule | |
320 // when this is fixed. | |
321 AddURLPatternToBypass("http://www.google.com/complete/search*"); | |
322 | |
323 // Check for proxy availability | |
324 std::string proxy_check_url = GetProxyCheckURL(); | |
325 if (!proxy_check_url.empty()) { | |
326 AddURLPatternToBypass(GetProxyCheckURL()); | |
327 } | |
328 } | |
329 | |
330 void DataReductionProxySettingsAndroid::AddURLPatternToBypass( | |
331 const std::string& pattern) { | |
332 AddPatternToBypass("url", pattern); | |
333 } | |
334 | |
335 void DataReductionProxySettingsAndroid::AddHostPatternToBypass( | |
336 const std::string& pattern) { | |
337 AddPatternToBypass("host", pattern); | |
338 } | |
339 | |
340 void DataReductionProxySettingsAndroid::AddPatternToBypass( | |
341 const std::string& url_or_host, | |
342 const std::string& pattern) { | |
343 bypass_rules_.push_back( | |
344 StringPrintf("shExpMatch(%s, \"%s\")", | |
345 url_or_host.c_str(), pattern.c_str())); | |
346 } | |
347 | |
348 void DataReductionProxySettingsAndroid::AddHostToBypass( | |
349 const std::string& host) { | |
350 bypass_rules_.push_back( | |
351 StringPrintf("host == \"%s\"", host.c_str())); | |
352 } | |
353 | |
354 PrefService* DataReductionProxySettingsAndroid::GetOriginalProfilePrefs() { | |
355 return g_browser_process->profile_manager()->GetDefaultProfile()-> | |
356 GetOriginalProfile()->GetPrefs(); | |
357 } | |
358 | |
359 PrefService* DataReductionProxySettingsAndroid::GetLocalStatePrefs() { | |
360 return g_browser_process->local_state(); | |
361 } | |
362 | |
363 std::string | |
364 DataReductionProxySettingsAndroid::GetDataReductionProxyOriginInternal() { | |
mmenke
2013/09/17 20:25:25
Looks like this function and the next one can be p
bengr
2013/09/18 22:15:26
Done.
| |
365 if (!IsProxyAllowed()) | |
366 return std::string(); | |
mmenke
2013/09/17 20:25:25
Is this default behavior needed? Doesn't seem lik
bengr
2013/09/18 22:15:26
Done.
| |
367 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); | |
368 if (command_line.HasSwitch(switches::kSpdyProxyAuthOrigin)) { | |
369 return command_line.GetSwitchValueASCII(switches::kSpdyProxyAuthOrigin); | |
370 } | |
371 #if defined(SPDY_PROXY_AUTH_ORIGIN) | |
372 return SPDY_PROXY_AUTH_ORIGIN; | |
373 #else | |
374 return std::string(); | |
375 #endif | |
376 } | |
377 | |
378 std::string | |
379 DataReductionProxySettingsAndroid::GetDataReductionProxyOriginHostPort() { | |
380 std::string spdy_proxy = GetDataReductionProxyOriginInternal(); | |
381 if (spdy_proxy.empty()) { | |
382 DLOG(ERROR) << "A SPDY proxy has not been set."; | |
383 return spdy_proxy; | |
384 } | |
385 // Remove a trailing slash from the proxy string if one exists as well as | |
386 // leading HTTPS scheme. | |
387 return net::HostPortPair::FromURL(GURL(spdy_proxy)).ToString(); | |
388 } | |
389 | |
390 void DataReductionProxySettingsAndroid::ResetDataReductionStatistics() { | |
391 PrefService* prefs = GetLocalStatePrefs(); | |
392 if (!prefs) | |
393 return; | |
394 ListPrefUpdate original_update(prefs, prefs::kDailyHttpOriginalContentLength); | |
395 ListPrefUpdate received_update(prefs, prefs::kDailyHttpReceivedContentLength); | |
396 original_update->Clear(); | |
397 received_update->Clear(); | |
398 for (size_t i = 0; i < spdyproxy::kNumDaysInHistory; ++i) { | |
399 original_update->AppendString(base::Int64ToString(0)); | |
400 received_update->AppendString(base::Int64ToString(0)); | |
401 } | |
402 } | |
403 | |
404 void DataReductionProxySettingsAndroid::MaybeActivateDataReductionProxy( | |
405 bool at_startup) { | |
406 PrefService* prefs = GetOriginalProfilePrefs(); | |
407 bool enabled = prefs->GetBoolean(prefs::kSpdyProxyAuthEnabled); | |
408 | |
409 if (enabled && !prefs->GetBoolean(prefs::kSpdyProxyAuthWasEnabledBefore)) { | |
410 prefs->SetBoolean(prefs::kSpdyProxyAuthWasEnabledBefore, true); | |
411 ResetDataReductionStatistics(); | |
412 } | |
413 | |
414 std::string spdy_proxy_origin = GetDataReductionProxyOriginHostPort(); | |
415 | |
416 // Configure use of the data reduction proxy if it is enabled and the proxy | |
417 // origin is non-empty. | |
418 enabled_by_user_= enabled && spdy_proxy_origin != ""; | |
419 SetProxyPac(enabled_by_user_ && !disabled_by_carrier_, at_startup); | |
420 | |
421 // Check if the proxy has been disabled explicitly by the carrier. | |
422 if (enabled_by_user_) | |
423 ProbeWhetherDataReductionProxyIsAvailable(); | |
424 } | |
425 | |
426 void DataReductionProxySettingsAndroid::SetProxyPac(bool enable_spdy_proxy, | |
427 bool at_startup) { | |
428 PrefService* prefs = GetOriginalProfilePrefs(); | |
429 DCHECK(prefs); | |
430 // Keys duplicated from proxy_config_dictionary.cc | |
431 // TODO(bengr): Move these to proxy_config_dictionary.h and reuse them here. | |
432 const char kProxyMode[] = "mode"; | |
433 const char kProxyPacURL[] = "pac_url"; | |
434 const char kAtStartup[] = "at startup"; | |
435 const char kByUser[] = "by user action"; | |
436 | |
437 DictionaryPrefUpdate update(prefs, prefs::kProxy); | |
438 DictionaryValue* dict = update.Get(); | |
439 if (enable_spdy_proxy) { | |
440 LOG(WARNING) << "SPDY proxy ON " << (at_startup ? kAtStartup : kByUser); | |
441 // Convert to a data URI and update the PAC settings. | |
442 std::string base64_pac; | |
443 base::Base64Encode(GetProxyPacScript(), &base64_pac); | |
444 | |
445 dict->SetString(kProxyPacURL, | |
446 "data:application/x-ns-proxy-autoconfig;base64," + | |
447 base64_pac); | |
448 dict->SetString(kProxyMode, | |
449 ProxyModeToString(ProxyPrefs::MODE_PAC_SCRIPT)); | |
450 | |
451 if (at_startup) { | |
452 UMA_HISTOGRAM_ENUMERATION("SpdyProxyAuth.State", | |
453 SPDY_PROXY_AUTH_ON_AT_STARTUP, | |
454 NUM_SPDY_PROXY_AUTH_STATE); | |
455 } else if (!has_turned_on_) { | |
456 // SPDY proxy auth is turned on by user action for the first time in | |
457 // this session. | |
458 UMA_HISTOGRAM_ENUMERATION("SpdyProxyAuth.State", | |
459 SPDY_PROXY_AUTH_ON_BY_USER, | |
460 NUM_SPDY_PROXY_AUTH_STATE); | |
461 has_turned_on_ = true; | |
462 } | |
463 } else { | |
464 LOG(WARNING) << "SPDY proxy OFF " << (at_startup ? kAtStartup : kByUser); | |
465 dict->SetString(kProxyMode, ProxyModeToString(ProxyPrefs::MODE_SYSTEM)); | |
466 dict->SetString(kProxyPacURL, ""); | |
467 | |
468 if (!at_startup && !has_turned_off_) { | |
469 UMA_HISTOGRAM_ENUMERATION("SpdyProxyAuth.State", | |
470 SPDY_PROXY_AUTH_OFF_BY_USER, | |
471 NUM_SPDY_PROXY_AUTH_STATE); | |
472 has_turned_off_ = true; | |
473 } | |
474 } | |
475 } | |
476 | |
477 ScopedJavaLocalRef<jlongArray> | |
478 DataReductionProxySettingsAndroid::GetDailyContentLengths( | |
479 JNIEnv* env, const char* pref_name) { | |
480 jlongArray result = env->NewLongArray(spdyproxy::kNumDaysInHistory); | |
481 PrefService* local_state = GetLocalStatePrefs(); | |
482 if (!local_state) | |
483 return ScopedJavaLocalRef<jlongArray>(env, result); | |
484 | |
485 const ListValue* list_value = local_state->GetList(pref_name); | |
486 if (list_value->GetSize() != spdyproxy::kNumDaysInHistory) | |
487 return ScopedJavaLocalRef<jlongArray>(env, result); | |
488 | |
489 jlong jval[spdyproxy::kNumDaysInHistory]; | |
490 for (size_t i = 0; i < spdyproxy::kNumDaysInHistory; ++i) { | |
491 jval[i] = GetInt64PrefValue(*list_value, i); | |
492 } | |
493 env->SetLongArrayRegion(result, 0, spdyproxy::kNumDaysInHistory, jval); | |
494 return ScopedJavaLocalRef<jlongArray>(env, result); | |
495 } | |
496 | |
497 void DataReductionProxySettingsAndroid::GetContentLengthsInternal( | |
498 unsigned int days, | |
499 int64* original_content_length, | |
500 int64* received_content_length, | |
501 int64* last_update_time) { | |
502 DCHECK_LE(days, spdyproxy::kNumDaysInHistory); | |
503 PrefService* local_state = GetLocalStatePrefs(); | |
504 if (!local_state) { | |
505 *original_content_length = 0L; | |
506 *received_content_length = 0L; | |
507 *last_update_time = 0L; | |
508 return; | |
509 } | |
510 | |
511 const ListValue* original_list = | |
512 local_state->GetList(prefs::kDailyHttpOriginalContentLength); | |
513 const ListValue* received_list = | |
514 local_state->GetList(prefs::kDailyHttpReceivedContentLength); | |
515 int64 last_update_internal = | |
516 local_state->GetInt64(prefs::kDailyHttpContentLengthLastUpdateDate); | |
mmenke
2013/09/17 20:25:25
Seems like we don't get anything from having the t
bengr
2013/09/18 22:15:26
Done.
| |
517 | |
518 if (original_list->GetSize() != spdyproxy::kNumDaysInHistory || | |
519 received_list->GetSize() != spdyproxy::kNumDaysInHistory) { | |
520 *original_content_length = 0L; | |
521 *received_content_length = 0L; | |
522 *last_update_time = 0L; | |
523 return; | |
524 } | |
525 | |
526 int64 orig = 0L; | |
527 int64 recv = 0L; | |
528 // We include days from the end of the list going backwards. | |
529 for (unsigned int i = 0; i < days; ++i) { | |
530 int read_index = spdyproxy::kNumDaysInHistory - 1 - i; | |
531 std::string result; | |
532 orig += GetInt64PrefValue(*original_list, read_index); | |
533 recv += GetInt64PrefValue(*received_list, read_index); | |
534 } | |
535 *original_content_length = orig; | |
536 *received_content_length = recv; | |
537 *last_update_time = last_update_internal; | |
538 } | |
539 | |
540 net::URLFetcher* DataReductionProxySettingsAndroid::GetURLFetcher() { | |
541 std::string url = GetProxyCheckURL(); | |
542 if (url.empty()) | |
543 return NULL; | |
544 fetcher_.reset(net::URLFetcher::Create(0, GURL(url), | |
mmenke
2013/09/17 20:25:25
Since you aren't using TestUrlFetcherFactory, you
bengr
2013/09/18 22:15:26
Done.
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545 net::URLFetcher::GET, this)); | |
546 fetcher_->SetLoadFlags(net::LOAD_DISABLE_CACHE); | |
547 Profile* profile = g_browser_process->profile_manager()-> | |
548 GetDefaultProfile(); | |
549 fetcher_->SetRequestContext(profile->GetRequestContext()); | |
550 // Configure to max_retries at most kMaxRetries times for 5xx errors. | |
551 static const int kMaxRetries = 5; | |
552 fetcher_->SetMaxRetriesOn5xx(kMaxRetries); | |
553 return fetcher_.get(); | |
554 } | |
555 | |
556 void | |
557 DataReductionProxySettingsAndroid::ProbeWhetherDataReductionProxyIsAvailable() { | |
558 net::URLFetcher* fetcher = GetURLFetcher(); | |
mmenke
2013/09/17 20:25:25
optional: I think it would be much cleaner to cha
bengr
2013/09/18 22:15:26
Done.
| |
559 if (fetcher) | |
mmenke
2013/09/17 20:25:25
Since this can't happen, I think it's best not to
bengr
2013/09/18 22:15:26
This could happen if the proxy check url is empty.
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560 fetcher->Start(); | |
561 } | |
562 | |
563 // TODO(bengr): Replace with our own ProxyResolver. | |
564 std::string DataReductionProxySettingsAndroid::GetProxyPacScript() { | |
565 std::string bypass_clause = "(" + JoinString(bypass_rules_, ") || (") + ")"; | |
566 | |
567 // We want to fall back to direct loading when the proxy is unavailable and | |
568 // only process HTTP traffic, so we concoct a PAC configuration | |
569 // accordingly. (With a statically configured proxy, proxy failures will | |
570 // simply result in a connection error presented to users.) | |
571 | |
572 std::string pac = "function FindProxyForURL(url, host) {" | |
573 " alert(\"Hello World\");" | |
mmenke
2013/09/17 20:25:25
I assume this was just for testing?
bengr
2013/09/18 22:15:26
Done.
| |
574 " if (" + bypass_clause + ") {" | |
575 " return \"DIRECT\";" | |
576 " } " | |
577 " if (url.substring(0, 5) == \"http:\") {" | |
mmenke
2013/09/17 20:25:25
I thought media bypassed flywheel? Or is that don
bengr
2013/09/18 22:15:26
Media is bypassed using a proxy-bypass signal from
| |
578 " return \"HTTPS " + GetDataReductionProxyOriginHostPort() + | |
579 "; DIRECT\";" | |
580 " }" | |
581 " return \"DIRECT\";" | |
582 "}"; | |
583 return pac; | |
584 } | |
585 | |
586 // Used by generated jni code. | |
587 static jint Init(JNIEnv* env, jobject obj) { | |
588 DataReductionProxySettingsAndroid* settings = | |
589 new DataReductionProxySettingsAndroid(env, obj); | |
590 return reinterpret_cast<jint>(settings); | |
591 } | |
592 | |
593 | |
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