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 // Functions for canonicalizing "mailto:" URLs. 6 7 #include "url/url_canon.h" 8 #include "url/url_canon_internal.h" 9 #include "url/url_file.h" 10 #include "url/url_parse_internal.h" 11 12 namespace url { 13 14 namespace { 15 16 template <typename CHAR, typename UCHAR> 17 bool DoCanonicalizeMailtoURL(const URLComponentSource<CHAR>& source, 18 const Parsed& parsed, 19 CanonOutput* output, 20 Parsed* new_parsed) { 21 // mailto: only uses {scheme, path, query} -- clear the rest. 22 new_parsed->username = Component(); 23 new_parsed->password = Component(); 24 new_parsed->host = Component(); 25 new_parsed->port = Component(); 26 new_parsed->ref = Component(); 27 28 // Scheme (known, so we don't bother running it through the more 29 // complicated scheme canonicalizer). 30 new_parsed->scheme.begin = output->length(); 31 output->Append("mailto:", 7); 32 new_parsed->scheme.len = 6; 33 34 bool success = true; 35 36 // Path 37 if (parsed.path.is_valid()) { 38 new_parsed->path.begin = output->length(); 39 40 // Copy the path using path URL's more lax escaping rules. 41 // We convert to UTF-8 and escape non-ASCII, but leave all 42 // ASCII characters alone. 43 int end = parsed.path.end(); 44 for (int i = parsed.path.begin; i < end; ++i) { 45 UCHAR uch = static_cast<UCHAR>(source.path[i]); 46 if (uch < 0x20 || uch >= 0x80) 47 success &= AppendUTF8EscapedChar(source.path, &i, end, output); 48 else 49 output->push_back(static_cast<char>(uch)); 50 } 51 52 new_parsed->path.len = output->length() - new_parsed->path.begin; 53 } else { 54 // No path at all 55 new_parsed->path.reset(); 56 } 57 58 // Query -- always use the default utf8 charset converter. 59 CanonicalizeQuery(source.query, parsed.query, NULL, 60 output, &new_parsed->query); 61 62 return success; 63 } 64 65 } // namespace 66 67 bool CanonicalizeMailtoURL(const char* spec, 68 int spec_len, 69 const Parsed& parsed, 70 CanonOutput* output, 71 Parsed* new_parsed) { 72 return DoCanonicalizeMailtoURL<char, unsigned char>( 73 URLComponentSource<char>(spec), parsed, output, new_parsed); 74 } 75 76 bool CanonicalizeMailtoURL(const base::char16* spec, 77 int spec_len, 78 const Parsed& parsed, 79 CanonOutput* output, 80 Parsed* new_parsed) { 81 return DoCanonicalizeMailtoURL<base::char16, base::char16>( 82 URLComponentSource<base::char16>(spec), parsed, output, new_parsed); 83 } 84 85 bool ReplaceMailtoURL(const char* base, 86 const Parsed& base_parsed, 87 const Replacements<char>& replacements, 88 CanonOutput* output, 89 Parsed* new_parsed) { 90 URLComponentSource<char> source(base); 91 Parsed parsed(base_parsed); 92 SetupOverrideComponents(base, replacements, &source, &parsed); 93 return DoCanonicalizeMailtoURL<char, unsigned char>( 94 source, parsed, output, new_parsed); 95 } 96 97 bool ReplaceMailtoURL(const char* base, 98 const Parsed& base_parsed, 99 const Replacements<base::char16>& replacements, 100 CanonOutput* output, 101 Parsed* new_parsed) { 102 RawCanonOutput<1024> utf8; 103 URLComponentSource<char> source(base); 104 Parsed parsed(base_parsed); 105 SetupUTF16OverrideComponents(base, replacements, &utf8, &source, &parsed); 106 return DoCanonicalizeMailtoURL<char, unsigned char>( 107 source, parsed, output, new_parsed); 108 } 109 110 } // namespace url 111
