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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/passwords/js_password_manager.h"
#include "base/json/string_escape.h"
#include "base/logging.h"
#include "base/strings/sys_string_conversions.h"
namespace {
// Sanitizes |JSONString| and wraps it in quotes so it can be injected safely in
// JavaScript.
NSString* JSONEscape(NSString* JSONString) {
return base::SysUTF8ToNSString(
base::GetQuotedJSONString(base::SysNSStringToUTF8(JSONString)));
}
} // namespace
@interface JsPasswordManager ()
// Injects a script that does two things:
// 1. Injects password controller JavaScript in the page.
// 2. Extracts the _submitted_ password form data from the DOM on the page.
// The result is returned in |completionHandler|.
// |completionHandler| cannot be nil.
- (void)evaluateExtraScript:(NSString*)script
completionHandler:(void (^)(NSString*))completionHandler;
@end
@implementation JsPasswordManager
- (void)findPasswordFormsWithCompletionHandler:
(void (^)(NSString*))completionHandler {
DCHECK(completionHandler);
[self evaluateExtraScript:@"__gCrWeb.findPasswordForms()"
completionHandler:completionHandler];
}
- (void)extractForm:(NSString*)formName
completionHandler:(void (^)(NSString*))completionHandler {
DCHECK(completionHandler);
NSString* extra = [NSString
stringWithFormat:@"__gCrWeb.getPasswordForm(%@)", JSONEscape(formName)];
[self evaluateExtraScript:extra completionHandler:completionHandler];
}
- (void)fillPasswordForm:(NSString*)JSONString
withUsername:(NSString*)username
password:(NSString*)password
completionHandler:(void (^)(BOOL))completionHandler {
DCHECK(completionHandler);
NSString* script = [NSString
stringWithFormat:@"__gCrWeb.fillPasswordForm(%@, %@, %@)", JSONString,
JSONEscape(username), JSONEscape(password)];
[self evaluate:script
stringResultHandler:^(NSString* result, NSError* error) {
completionHandler(!error && [result isEqualToString:@"true"]);
}];
}
- (void)clearAutofilledPasswordsInForm:(NSString*)formName
completionHandler:(void (^)(BOOL))completionHandler {
NSString* script =
[NSString stringWithFormat:@"__gCrWeb.clearAutofilledPasswords(%@)",
JSONEscape(formName)];
[self evaluate:script
stringResultHandler:^(NSString* result, NSError* error) {
completionHandler(!error && [result isEqualToString:@"true"]);
}];
}
- (void)fillPasswordForm:(NSString*)formName
withGeneratedPassword:(NSString*)password
completionHandler:(void (^)(BOOL))completionHandler {
NSString* script =
[NSString stringWithFormat:
@"__gCrWeb.fillPasswordFormWithGeneratedPassword(%@, %@)",
JSONEscape(formName), JSONEscape(password)];
[self evaluate:script
stringResultHandler:^(NSString* result, NSError* error) {
if (completionHandler)
completionHandler(!error && [result isEqualToString:@"true"]);
}];
}
#pragma mark -
#pragma mark ProtectedMethods
- (NSString*)scriptPath {
return @"password_controller";
}
#pragma mark -
#pragma mark Private
- (void)evaluateExtraScript:(NSString*)script
completionHandler:(void (^)(NSString*))completionHandler {
DCHECK(completionHandler);
[self injectDependenciesIfMissing];
NSString* JS = [[self injectionContent] stringByAppendingString:script];
[self evaluate:JS
stringResultHandler:^(NSString* result, NSError*) {
completionHandler(result);
}];
}
@end
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