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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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 "pdf/document_loader.h" | 5 #include "pdf/document_loader.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/strings/string_util.h" | 8 #include "base/strings/string_util.h" |
9 #include "net/http/http_util.h" | 9 #include "net/http/http_util.h" |
10 #include "ppapi/c/pp_errors.h" | 10 #include "ppapi/c/pp_errors.h" |
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29 while (it.GetNext()) { | 29 while (it.GetNext()) { |
30 if (base::LowerCaseEqualsASCII(it.name(), "content-range")) { | 30 if (base::LowerCaseEqualsASCII(it.name(), "content-range")) { |
31 std::string range = it.values().c_str(); | 31 std::string range = it.values().c_str(); |
32 if (base::StartsWith(range, "bytes", | 32 if (base::StartsWith(range, "bytes", |
33 base::CompareCase::INSENSITIVE_ASCII)) { | 33 base::CompareCase::INSENSITIVE_ASCII)) { |
34 range = range.substr(strlen("bytes")); | 34 range = range.substr(strlen("bytes")); |
35 std::string::size_type pos = range.find('-'); | 35 std::string::size_type pos = range.find('-'); |
36 std::string range_end; | 36 std::string range_end; |
37 if (pos != std::string::npos) | 37 if (pos != std::string::npos) |
38 range_end = range.substr(pos + 1); | 38 range_end = range.substr(pos + 1); |
39 TrimWhitespaceASCII(range, base::TRIM_LEADING, &range); | 39 base::TrimWhitespaceASCII(range, base::TRIM_LEADING, &range); |
40 TrimWhitespaceASCII(range_end, base::TRIM_LEADING, &range_end); | 40 base::TrimWhitespaceASCII(range_end, base::TRIM_LEADING, &range_end); |
41 *start = atoi(range.c_str()); | 41 *start = atoi(range.c_str()); |
42 *end = atoi(range_end.c_str()); | 42 *end = atoi(range_end.c_str()); |
43 return true; | 43 return true; |
44 } | 44 } |
45 } | 45 } |
46 } | 46 } |
47 return false; | 47 return false; |
48 } | 48 } |
49 | 49 |
50 // If the headers have a multi-part response, returns the boundary name. | 50 // If the headers have a multi-part response, returns the boundary name. |
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138 } else if (base::LowerCaseEqualsASCII(it.name(), "accept-ranges")) { | 138 } else if (base::LowerCaseEqualsASCII(it.name(), "accept-ranges")) { |
139 accept_ranges_bytes = base::LowerCaseEqualsASCII(it.values(), "bytes"); | 139 accept_ranges_bytes = base::LowerCaseEqualsASCII(it.values(), "bytes"); |
140 } else if (base::LowerCaseEqualsASCII(it.name(), "content-encoding")) { | 140 } else if (base::LowerCaseEqualsASCII(it.name(), "content-encoding")) { |
141 content_encoded = true; | 141 content_encoded = true; |
142 } else if (base::LowerCaseEqualsASCII(it.name(), "content-type")) { | 142 } else if (base::LowerCaseEqualsASCII(it.name(), "content-type")) { |
143 type = it.values(); | 143 type = it.values(); |
144 size_t semi_colon_pos = type.find(';'); | 144 size_t semi_colon_pos = type.find(';'); |
145 if (semi_colon_pos != std::string::npos) { | 145 if (semi_colon_pos != std::string::npos) { |
146 type = type.substr(0, semi_colon_pos); | 146 type = type.substr(0, semi_colon_pos); |
147 } | 147 } |
148 TrimWhitespace(type, base::TRIM_ALL, &type); | 148 TrimWhitespaceASCII(type, base::TRIM_ALL, &type); |
149 } else if (base::LowerCaseEqualsASCII(it.name(), "content-disposition")) { | 149 } else if (base::LowerCaseEqualsASCII(it.name(), "content-disposition")) { |
150 disposition = it.values(); | 150 disposition = it.values(); |
151 } | 151 } |
152 } | 152 } |
153 } | 153 } |
154 if (!type.empty() && !IsValidContentType(type)) | 154 if (!type.empty() && !IsValidContentType(type)) |
155 return false; | 155 return false; |
156 if (base::StartsWith(disposition, "attachment", | 156 if (base::StartsWith(disposition, "attachment", |
157 base::CompareCase::INSENSITIVE_ASCII)) | 157 base::CompareCase::INSENSITIVE_ASCII)) |
158 return false; | 158 return false; |
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533 uint32_t DocumentLoader::GetRequestSize() const { | 533 uint32_t DocumentLoader::GetRequestSize() const { |
534 // Document loading strategy: | 534 // Document loading strategy: |
535 // For first 10 requests, we use 32k chunk sizes, for the next 10 requests we | 535 // For first 10 requests, we use 32k chunk sizes, for the next 10 requests we |
536 // double the size (64k), and so on, until we cap max request size at 2M for | 536 // double the size (64k), and so on, until we cap max request size at 2M for |
537 // 71 or more requests. | 537 // 71 or more requests. |
538 uint32_t limited_count = std::min(std::max(requests_count_, 10u), 70u); | 538 uint32_t limited_count = std::min(std::max(requests_count_, 10u), 70u); |
539 return 32 * 1024 * (1 << ((limited_count - 1) / 10u)); | 539 return 32 * 1024 * (1 << ((limited_count - 1) / 10u)); |
540 } | 540 } |
541 | 541 |
542 } // namespace chrome_pdf | 542 } // namespace chrome_pdf |
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