1/*
2 * Copyright (C) 2007, 2011 Apple Inc.  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#import "config.h"
30#import "ResourceLoadDelegate.h"
31
32#import "DumpRenderTree.h"
33#import "LayoutTestController.h"
34#import <WebKit/WebKit.h>
35#import <WebKit/WebTypesInternal.h>
36#import <WebKit/WebDataSourcePrivate.h>
37#import <wtf/Assertions.h>
38
39using namespace std;
40
41@interface NSURL (DRTExtras)
42- (NSString *)_drt_descriptionSuitableForTestResult;
43@end
44
45@interface NSError (DRTExtras)
46- (NSString *)_drt_descriptionSuitableForTestResult;
47@end
48
49@interface NSURLResponse (DRTExtras)
50- (NSString *)_drt_descriptionSuitableForTestResult;
51@end
52
53@interface NSURLRequest (DRTExtras)
54- (NSString *)_drt_descriptionSuitableForTestResult;
55@end
56
57@implementation NSError (DRTExtras)
58- (NSString *)_drt_descriptionSuitableForTestResult
59{
60    NSString *str = [NSString stringWithFormat:@"<NSError domain %@, code %d", [self domain], [self code]];
61    NSURL *failingURL;
62
63    if ((failingURL = [[self userInfo] objectForKey:@"NSErrorFailingURLKey"]))
64        str = [str stringByAppendingFormat:@", failing URL \"%@\"", [failingURL _drt_descriptionSuitableForTestResult]];
65
66    str = [str stringByAppendingFormat:@">"];
67
68    return str;
69}
70
71@end
72
73@implementation NSURL (DRTExtras)
74
75- (NSString *)_drt_descriptionSuitableForTestResult
76{
77    if (![self isFileURL])
78        return [self absoluteString];
79
80    WebDataSource *dataSource = [mainFrame dataSource];
81    if (!dataSource)
82        dataSource = [mainFrame provisionalDataSource];
83
84    NSString *basePath = [[[[dataSource request] URL] path] stringByDeletingLastPathComponent];
85
86    return [[self path] substringFromIndex:[basePath length] + 1];
87}
88
89@end
90
91@implementation NSURLResponse (DRTExtras)
92
93- (NSString *)_drt_descriptionSuitableForTestResult
94{
95    int statusCode = 0;
96    if ([self isKindOfClass:[NSHTTPURLResponse class]])
97        statusCode = [(NSHTTPURLResponse *)self statusCode];
98    return [NSString stringWithFormat:@"<NSURLResponse %@, http status code %i>", [[self URL] _drt_descriptionSuitableForTestResult], statusCode];
99}
100
101@end
102
103@implementation NSURLRequest (DRTExtras)
104
105- (NSString *)_drt_descriptionSuitableForTestResult
106{
107    NSString *httpMethod = [self HTTPMethod];
108    if (!httpMethod)
109        httpMethod = @"(none)";
110    return [NSString stringWithFormat:@"<NSURLRequest URL %@, main document URL %@, http method %@>", [[self URL] _drt_descriptionSuitableForTestResult], [[self mainDocumentURL] _drt_descriptionSuitableForTestResult], httpMethod];
111}
112
113@end
114
115@implementation ResourceLoadDelegate
116
117- webView: (WebView *)wv identifierForInitialRequest: (NSURLRequest *)request fromDataSource: (WebDataSource *)dataSource
118{
119    ASSERT([[dataSource webFrame] dataSource] || [[dataSource webFrame] provisionalDataSource]);
120
121    if (!done && gLayoutTestController->dumpResourceLoadCallbacks())
122        return [[request URL] _drt_descriptionSuitableForTestResult];
123
124    return @"<unknown>";
125}
126
127-(NSURLRequest *)webView: (WebView *)wv resource:identifier willSendRequest: (NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)dataSource
128{
129    if (!done && gLayoutTestController->dumpResourceLoadCallbacks()) {
130        NSString *string = [NSString stringWithFormat:@"%@ - willSendRequest %@ redirectResponse %@", identifier, [request _drt_descriptionSuitableForTestResult],
131            [redirectResponse _drt_descriptionSuitableForTestResult]];
132        printf("%s\n", [string UTF8String]);
133    }
134
135    if (!done && !gLayoutTestController->deferMainResourceDataLoad()) {
136        [dataSource _setDeferMainResourceDataLoad:false];
137    }
138
139    if (!done && gLayoutTestController->willSendRequestReturnsNull())
140        return nil;
141
142    if (!done && gLayoutTestController->willSendRequestReturnsNullOnRedirect() && redirectResponse) {
143        printf("Returning null for this redirect\n");
144        return nil;
145    }
146
147    NSURL *url = [request URL];
148    NSString *host = [url host];
149    if (host
150        && (NSOrderedSame == [[url scheme] caseInsensitiveCompare:@"http"] || NSOrderedSame == [[url scheme] caseInsensitiveCompare:@"https"])
151        && NSOrderedSame != [host compare:@"127.0.0.1"]
152        && NSOrderedSame != [host compare:@"255.255.255.255"] // used in some tests that expect to get back an error
153        && NSOrderedSame != [host caseInsensitiveCompare:@"localhost"]) {
154        printf("Blocked access to external URL %s\n", [[url absoluteString] cStringUsingEncoding:NSUTF8StringEncoding]);
155        return nil;
156    }
157
158    if (disallowedURLs && CFSetContainsValue(disallowedURLs, url))
159        return nil;
160
161    NSMutableURLRequest *newRequest = [request mutableCopy];
162    const set<string>& clearHeaders = gLayoutTestController->willSendRequestClearHeaders();
163    for (set<string>::const_iterator header = clearHeaders.begin(); header != clearHeaders.end(); ++header) {
164        NSString *nsHeader = [[NSString alloc] initWithUTF8String:header->c_str()];
165        [newRequest setValue:nil forHTTPHeaderField:nsHeader];
166        [nsHeader release];
167    }
168    const std::string& destination = gLayoutTestController->redirectionDestinationForURL([[url absoluteString] UTF8String]);
169    if (destination.length())
170        [newRequest setURL:[NSURL URLWithString:[NSString stringWithUTF8String:destination.data()]]];
171
172    return [newRequest autorelease];
173}
174
175- (void)webView:(WebView *)wv resource:(id)identifier didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)dataSource
176{
177    if (!gLayoutTestController->handlesAuthenticationChallenges()) {
178        NSString *string = [NSString stringWithFormat:@"%@ - didReceiveAuthenticationChallenge - Simulating cancelled authentication sheet", identifier];
179        printf("%s\n", [string UTF8String]);
180
181        [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
182        return;
183    }
184
185    const char* user = gLayoutTestController->authenticationUsername().c_str();
186    NSString *nsUser = [NSString stringWithFormat:@"%s", user ? user : ""];
187
188    const char* password = gLayoutTestController->authenticationPassword().c_str();
189    NSString *nsPassword = [NSString stringWithFormat:@"%s", password ? password : ""];
190
191    NSString *string = [NSString stringWithFormat:@"%@ - didReceiveAuthenticationChallenge - Responding with %@:%@", identifier, nsUser, nsPassword];
192    printf("%s\n", [string UTF8String]);
193
194    [[challenge sender] useCredential:[NSURLCredential credentialWithUser:nsUser password:nsPassword persistence:NSURLCredentialPersistenceForSession]
195                              forAuthenticationChallenge:challenge];
196}
197
198- (void)webView:(WebView *)wv resource:(id)identifier didCancelAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge fromDataSource:(WebDataSource *)dataSource
199{
200}
201
202-(void)webView: (WebView *)wv resource:identifier didReceiveResponse: (NSURLResponse *)response fromDataSource:(WebDataSource *)dataSource
203{
204    if (!done && gLayoutTestController->dumpResourceLoadCallbacks()) {
205        NSString *string = [NSString stringWithFormat:@"%@ - didReceiveResponse %@", identifier, [response _drt_descriptionSuitableForTestResult]];
206        printf("%s\n", [string UTF8String]);
207    }
208    if (!done && gLayoutTestController->dumpResourceResponseMIMETypes())
209        printf("%s has MIME type %s\n", [[[[response URL] relativePath] lastPathComponent] UTF8String], [[response MIMEType] UTF8String]);
210}
211
212-(void)webView: (WebView *)wv resource:identifier didReceiveContentLength: (NSInteger)length fromDataSource:(WebDataSource *)dataSource
213{
214}
215
216-(void)webView: (WebView *)wv resource:identifier didFinishLoadingFromDataSource:(WebDataSource *)dataSource
217{
218    if (!done && gLayoutTestController->dumpResourceLoadCallbacks()) {
219        NSString *string = [NSString stringWithFormat:@"%@ - didFinishLoading", identifier];
220        printf("%s\n", [string UTF8String]);
221    }
222}
223
224-(void)webView: (WebView *)wv resource:identifier didFailLoadingWithError:(NSError *)error fromDataSource:(WebDataSource *)dataSource
225{
226    if (!done && gLayoutTestController->dumpResourceLoadCallbacks()) {
227        NSString *string = [NSString stringWithFormat:@"%@ - didFailLoadingWithError: %@", identifier, [error _drt_descriptionSuitableForTestResult]];
228        printf("%s\n", [string UTF8String]);
229    }
230}
231
232- (void)webView: (WebView *)wv plugInFailedWithError:(NSError *)error dataSource:(WebDataSource *)dataSource
233{
234    // The call to -display here simulates the "Plug-in not found" sheet that Safari shows.
235    // It is used for platform/mac/plugins/update-widget-from-style-recalc.html
236    [wv display];
237}
238
239-(NSCachedURLResponse *) webView: (WebView *)wv resource:(id)identifier willCacheResponse:(NSCachedURLResponse *)response fromDataSource:(WebDataSource *)dataSource
240{
241    if (!done && gLayoutTestController->dumpWillCacheResponse()) {
242        NSString *string = [NSString stringWithFormat:@"%@ - willCacheResponse: called", identifier];
243        printf("%s\n", [string UTF8String]);
244    }
245    return response;
246}
247
248-(BOOL)webView: (WebView*)webView shouldPaintBrokenImageForURL:(NSURL*)imageURL
249{
250    // Only log the message when shouldPaintBrokenImage() returns NO; this avoids changing results of layout tests with failed
251    // images, e.g., security/block-test-no-port.html.
252    if (!done && gLayoutTestController->dumpResourceLoadCallbacks() && !gLayoutTestController->shouldPaintBrokenImage()) {
253        NSString *string = [NSString stringWithFormat:@"%@ - shouldPaintBrokenImage: NO", [imageURL _drt_descriptionSuitableForTestResult]];
254        printf("%s\n", [string UTF8String]);
255    }
256
257    return gLayoutTestController->shouldPaintBrokenImage();
258}
259@end
260