OSX/libsecurity_utilities/lib/url.cpp

   1 /*
   2  * Copyright (c) 2000-2002,2004,2011,2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 //
  26 // url - URL object with decomposition
  27 //
  28 #include "url.h"
  29 #include <CoreFoundation/CFURL.h>
  30 #include <CoreFoundation/CFString.h>
  31 #include <errno.h>
  32
  33
  34 namespace Security {
  35 namespace Network {
  36
  37
  38 //
  39 // Turn a CFStringRef into an STL string and release the incoming CFStringRef
  40 //
  41 static string mkstr(CFStringRef str)
  42 {
  43     if (!str)
  44         return "";
  45     char buffer[2048];
  46     if (CFStringGetCString(str, buffer, sizeof(buffer), kCFStringEncodingUTF8))
  47         return buffer;
  48     else
  49         UnixError::throwMe(EINVAL);
  50 }
  51
  52
  53 //
  54 // Construction
  55 //
  56 URL::URL()
  57 {
  58     ref = NULL;
  59 }
  60
  61 URL::URL(const char *s)
  62 {
  63     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)s, strlen(s), kCFStringEncodingUTF8, NULL);
  64     if (!ref)
  65         UnixError::throwMe(EINVAL);
  66 }
  67
  68 URL::URL(const char *s, const URL &base)
  69 {
  70     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)s, strlen(s), kCFStringEncodingUTF8, base.ref);
  71     if (!ref)
  72         UnixError::throwMe(EINVAL);
  73 }
  74
  75 URL::~URL()
  76 {
  77     if (ref)
  78         CFRelease(ref);
  79 }
  80
  81
  82 //
  83 // Extraction: These methods produce UTF8 strings
  84 //
  85 URL::operator string() const
  86 {
  87     return mkstr(CFURLGetString(ref));
  88 }
  89
  90 string URL::scheme() const
  91 {
  92     return mkstr(CFURLCopyScheme(ref));
  93 }
  94
  95 string URL::host() const
  96 {
  97     return mkstr(CFURLCopyHostName(ref));
  98 }
  99
 100 IPPort URL::port(IPPort defaultPort) const
 101 {
 102     SInt32 port = CFURLGetPortNumber(ref);
 103     return (port == -1) ? defaultPort : port;
 104 }
 105
 106 string URL::username() const
 107 {
 108     return mkstr(CFURLCopyUserName(ref));
 109 }
 110
 111 string URL::password() const
 112 {
 113     return mkstr(CFURLCopyPassword(ref));
 114 }
 115
 116 string URL::path() const
 117 {
 118     Boolean isAbsolute;
 119     return "/" + mkstr(CFURLCopyStrictPath(ref, &isAbsolute));
 120 }
 121
 122 string URL::resourceSpec() const
 123 {
 124     return mkstr(CFURLCopyResourceSpecifier(ref));
 125 }
 126
 127 string URL::fullPath() const
 128 {
 129     return path() + resourceSpec();
 130 }
 131
 132 string URL::basename() const
 133 {
 134     return mkstr(CFURLCopyLastPathComponent(ref));
 135 }
 136
 137 string URL::extension() const
 138 {
 139     return mkstr(CFURLCopyPathExtension(ref));
 140 }
 141
 142 void URL::recreateURL(const char* url)
 143 {
 144     if(ref)
 145         CFRelease(ref);
 146     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)url, strlen(url), kCFStringEncodingUTF8, NULL);
 147 }
 148
 149 }       // end namespace Network
 150 }       // end namespace Security