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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "net/proxy/proxy_script_decider.h" | 5 #include "net/proxy/proxy_script_decider.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/bind_helpers.h" | 8 #include "base/bind_helpers.h" |
| 9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
| 10 #include "base/format_macros.h" | 10 #include "base/format_macros.h" |
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| 23 | 23 |
| 24 namespace { | 24 namespace { |
| 25 | 25 |
| 26 bool LooksLikePacScript(const base::string16& script) { | 26 bool LooksLikePacScript(const base::string16& script) { |
| 27 // Note: this is only an approximation! It may not always work correctly, | 27 // Note: this is only an approximation! It may not always work correctly, |
| 28 // however it is very likely that legitimate scripts have this exact string, | 28 // however it is very likely that legitimate scripts have this exact string, |
| 29 // since they must minimally define a function of this name. Conversely, a | 29 // since they must minimally define a function of this name. Conversely, a |
| 30 // file not containing the string is not likely to be a PAC script. | 30 // file not containing the string is not likely to be a PAC script. |
| 31 // | 31 // |
| 32 // An exact test would have to load the script in a javascript evaluator. | 32 // An exact test would have to load the script in a javascript evaluator. |
| 33 return script.find(ASCIIToUTF16("FindProxyForURL")) != base::string16::npos; | 33 return script.find(base::ASCIIToUTF16("FindProxyForURL")) != |
| 34 base::string16::npos; |
| 34 } | 35 } |
| 35 | 36 |
| 36 } | 37 } |
| 37 | 38 |
| 38 // This is the hard-coded location used by the DNS portion of web proxy | 39 // This is the hard-coded location used by the DNS portion of web proxy |
| 39 // auto-discovery. | 40 // auto-discovery. |
| 40 // | 41 // |
| 41 // Note that we not use DNS devolution to find the WPAD host, since that could | 42 // Note that we not use DNS devolution to find the WPAD host, since that could |
| 42 // be dangerous should our top level domain registry become out of date. | 43 // be dangerous should our top level domain registry become out of date. |
| 43 // | 44 // |
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| 472 } | 473 } |
| 473 | 474 |
| 474 // This is safe to call in any state. | 475 // This is safe to call in any state. |
| 475 if (dhcp_proxy_script_fetcher_) | 476 if (dhcp_proxy_script_fetcher_) |
| 476 dhcp_proxy_script_fetcher_->Cancel(); | 477 dhcp_proxy_script_fetcher_->Cancel(); |
| 477 | 478 |
| 478 DidComplete(); | 479 DidComplete(); |
| 479 } | 480 } |
| 480 | 481 |
| 481 } // namespace net | 482 } // namespace net |
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