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1 /* |
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2 * Copyright (C) 2005, 2008 Apple Inc. All rights reserved. |
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3 * |
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4 * Redistribution and use in source and binary forms, with or without |
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5 * modification, are permitted provided that the following conditions |
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6 * are met: |
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7 * |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * 2. Redistributions in binary form must reproduce the above copyright |
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11 * notice, this list of conditions and the following disclaimer in the |
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12 * documentation and/or other materials provided with the distribution. |
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13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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14 * its contributors may be used to endorse or promote products derived |
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15 * from this software without specific prior written permission. |
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16 * |
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17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #import "WebPluginContainerCheck.h" |
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30 |
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31 #import "WebFrameInternal.h" |
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32 #import "WebPluginContainerPrivate.h" |
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33 #import "WebPluginController.h" |
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34 #import "WebPolicyDelegatePrivate.h" |
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35 #import "WebView.h" |
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36 #import "WebViewInternal.h" |
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37 #import <Foundation/NSDictionary.h> |
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38 #import <Foundation/NSURL.h> |
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39 #import <Foundation/NSURLRequest.h> |
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40 #import <WebCore/Frame.h> |
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41 #import <WebCore/FrameLoader.h> |
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42 #import <WebCore/FrameLoaderTypes.h> |
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43 #import <WebCore/SecurityOrigin.h> |
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44 #import <wtf/Assertions.h> |
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45 #import <objc/objc-runtime.h> |
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46 |
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47 using namespace WebCore; |
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48 |
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49 @implementation WebPluginContainerCheck |
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50 |
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51 - (id)initWithRequest:(NSURLRequest *)request target:(NSString *)target resultObject:(id)obj selector:(SEL)selector controller:(id <WebPluginContainerCheckController>)controller contextInfo:(id)contextInfo /*optional*/ |
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52 { |
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53 if (!(self = [super init])) |
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54 return nil; |
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55 |
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56 _request = [request copy]; |
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57 _target = [target copy]; |
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58 _resultObject = [obj retain]; |
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59 _resultSelector = selector; |
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60 _contextInfo = [contextInfo retain]; |
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61 |
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62 // controller owns us so don't retain, to avoid cycle |
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63 _controller = controller; |
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64 |
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65 return self; |
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66 } |
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67 |
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68 + (id)checkWithRequest:(NSURLRequest *)request target:(NSString *)target resultObject:(id)obj selector:(SEL)selector controller:(id <WebPluginContainerCheckController>)controller contextInfo:(id)contextInfo /*optional*/ |
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69 { |
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70 return [[[self alloc] initWithRequest:request target:target resultObject:obj selector:selector controller:controller contextInfo:contextInfo] autorelease]; |
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71 } |
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72 |
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73 - (void)finalize |
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74 { |
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75 // mandatory to complete or cancel before releasing this object |
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76 ASSERT(_done); |
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77 [super finalize]; |
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78 } |
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79 |
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80 - (void)dealloc |
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81 { |
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82 // mandatory to complete or cancel before releasing this object |
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83 ASSERT(_done); |
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84 [super dealloc]; |
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85 } |
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86 |
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87 - (void)_continueWithPolicy:(PolicyAction)policy |
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88 { |
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89 if (_contextInfo) |
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90 ((void (*)(id, SEL, BOOL, id))objc_msgSend)(_resultObject, _resultSelector, (policy == PolicyUse), _contextInfo); |
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91 else |
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92 ((void (*)(id, SEL, BOOL))objc_msgSend)(_resultObject, _resultSelector, (policy == PolicyUse)); |
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93 |
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94 // this will call indirectly call cancel |
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95 [_controller _webPluginContainerCancelCheckIfAllowedToLoadRequest:self]; |
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96 } |
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97 |
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98 - (BOOL)_isForbiddenFileLoad |
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99 { |
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100 Frame* coreFrame = core([_controller webFrame]); |
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101 ASSERT(coreFrame); |
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102 if (!SecurityOrigin::canLoad([_request URL], String(), coreFrame->document())) { |
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103 [self _continueWithPolicy:PolicyIgnore]; |
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104 return YES; |
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105 } |
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106 |
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107 return NO; |
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108 } |
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109 |
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110 - (NSDictionary *)_actionInformationWithURL:(NSURL *)URL |
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111 { |
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112 return [NSDictionary dictionaryWithObjectsAndKeys: |
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113 [NSNumber numberWithInt:WebNavigationTypePlugInRequest], WebActionNavigationTypeKey, |
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114 [NSNumber numberWithInt:0], WebActionModifierFlagsKey, |
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115 URL, WebActionOriginalURLKey, |
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116 nil]; |
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117 } |
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118 |
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119 - (void)_askPolicyDelegate |
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120 { |
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121 WebView *webView = [_controller webView]; |
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122 |
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123 WebFrame *targetFrame; |
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124 if ([_target length] > 0) { |
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125 targetFrame = [[_controller webFrame] findFrameNamed:_target]; |
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126 } else { |
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127 targetFrame = [_controller webFrame]; |
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128 } |
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129 |
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130 NSDictionary *action = [self _actionInformationWithURL:[_request URL]]; |
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131 |
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132 _listener = [[WebPolicyDecisionListener alloc] _initWithTarget:self action:@selector(_continueWithPolicy:)]; |
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133 |
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134 if (targetFrame == nil) { |
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135 // would open new window |
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136 [[webView _policyDelegateForwarder] webView:webView |
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137 decidePolicyForNewWindowAction:action |
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138 request:_request |
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139 newFrameName:_target |
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140 decisionListener:_listener]; |
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141 } else { |
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142 // would target existing frame |
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143 [[webView _policyDelegateForwarder] webView:webView |
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144 decidePolicyForNavigationAction:action |
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145 request:_request |
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146 frame:targetFrame |
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147 decisionListener:_listener]; |
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148 } |
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149 } |
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150 |
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151 - (void)start |
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152 { |
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153 ASSERT(!_listener); |
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154 ASSERT(!_done); |
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155 |
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156 if ([self _isForbiddenFileLoad]) |
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157 return; |
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158 |
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159 [self _askPolicyDelegate]; |
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160 } |
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161 |
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162 - (void)cancel |
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163 { |
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164 if (_done) |
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165 return; |
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166 |
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167 [_request release]; |
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168 _request = nil; |
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169 |
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170 [_target release]; |
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171 _target = nil; |
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172 |
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173 [_listener _invalidate]; |
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174 [_listener release]; |
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175 _listener = nil; |
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176 |
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177 [_resultObject autorelease]; |
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178 _resultObject = nil; |
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179 |
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180 _controller = nil; |
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181 |
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182 [_contextInfo release]; |
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183 _contextInfo = nil; |
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184 |
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185 _done = YES; |
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186 } |
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187 |
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188 - (id)contextInfo |
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189 { |
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190 return _contextInfo; |
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191 } |
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192 |
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193 @end |