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 #include <utilities/SecCFRelease.h>
  33
  34
  35 namespace Security {
  36 namespace Network {
  37
  38
  39 //
  40 // Turn a CFStringRef into an STL string and release the incoming CFStringRef
  41 //
  42 static string mkstr(CFStringRef CF_CONSUMED str)
  43 {
  44     if (!str)
  45         return "";
  46     char buffer[2048];
  47     if (CFStringGetCString(str, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
  48         CFReleaseSafe(str);
  49         return buffer;
  50     } else
  51         UnixError::throwMe(EINVAL);
  52 }
  53
  54
  55 //
  56 // Construction
  57 //
  58 URL::URL()
  59 {
  60     ref = NULL;
  61 }
  62
  63 URL::URL(const char *s)
  64 {
  65     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)s, strlen(s), kCFStringEncodingUTF8, NULL);
  66     if (!ref)
  67         UnixError::throwMe(EINVAL);
  68 }
  69
  70 URL::URL(const char *s, const URL &base)
  71 {
  72     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)s, strlen(s), kCFStringEncodingUTF8, base.ref);
  73     if (!ref)
  74         UnixError::throwMe(EINVAL);
  75 }
  76
  77 URL::~URL()
  78 {
  79     if (ref)
  80         CFRelease(ref);
  81 }
  82
  83
  84 //
  85 // Extraction: These methods produce UTF8 strings
  86 //
  87 URL::operator string() const
  88 {
  89     return mkstr(CFRetainSafe(CFURLGetString(ref)));
  90 }
  91
  92 string URL::scheme() const
  93 {
  94     return mkstr(CFURLCopyScheme(ref));
  95 }
  96
  97 string URL::host() const
  98 {
  99     return mkstr(CFURLCopyHostName(ref));
 100 }
 101
 102 IPPort URL::port(IPPort defaultPort) const
 103 {
 104     SInt32 port = CFURLGetPortNumber(ref);
 105     return (port == -1) ? defaultPort : port;
 106 }
 107
 108 string URL::username() const
 109 {
 110     return mkstr(CFURLCopyUserName(ref));
 111 }
 112
 113 string URL::password() const
 114 {
 115     return mkstr(CFURLCopyPassword(ref));
 116 }
 117
 118 string URL::path() const
 119 {
 120     Boolean isAbsolute;
 121     return "/" + mkstr(CFURLCopyStrictPath(ref, &isAbsolute));
 122 }
 123
 124 string URL::resourceSpec() const
 125 {
 126     return mkstr(CFURLCopyResourceSpecifier(ref));
 127 }
 128
 129 string URL::fullPath() const
 130 {
 131     return path() + resourceSpec();
 132 }
 133
 134 string URL::basename() const
 135 {
 136     return mkstr(CFURLCopyLastPathComponent(ref));
 137 }
 138
 139 string URL::extension() const
 140 {
 141     return mkstr(CFURLCopyPathExtension(ref));
 142 }
 143
 144 void URL::recreateURL(const char* url)
 145 {
 146     if(ref)
 147         CFRelease(ref);
 148     ref = CFURLCreateWithBytes(NULL, (const UInt8 *)url, strlen(url), kCFStringEncodingUTF8, NULL);
 149 }
 150
 151 }       // end namespace Network
 152 }       // end namespace Security