iOS WebView 中的 Cookie场景IP直连的几种方法（2）

利用 iOS11 之前的 API 解决 WKWebView 首次请求不携带 Cookie 的问题


通过让所有 WKWebView 共享同一个 WKProcessPool 实例，可以实现多个 WKWebView 之间共享 Cookie（session Cookie and persistent Cookie）数据。不过 WKWebView WKProcessPool 实例在 app 杀进程重启后会被重置，导致 WKProcessPool 中的 Cookie、session Cookie 数据丢失，目前也无法实现 WKProcessPool 实例本地化保存。可以采取 cookie 放入 Header 的方法来做。

1. [backcolor=transparent] [backcolor=transparent]WKWebView[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent] webView [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]WKWebView[backcolor=transparent] [backcolor=transparent]new[backcolor=transparent]];[backcolor=transparent]
2. [backcolor=transparent] [backcolor=transparent]NSMutableURLRequest[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent] request [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]NSMutableURLRequest[backcolor=transparent] requestWithURL[backcolor=transparent]:[[backcolor=transparent]NSURL [backcolor=transparent]URLWithString[backcolor=transparent]:@[backcolor=transparent]"http://xxx.com/login"[backcolor=transparent]]];[backcolor=transparent]
3. [backcolor=transparent] [backcolor=transparent][[backcolor=transparent]request addValue[backcolor=transparent]:@[backcolor=transparent]"skey=skeyValue"[backcolor=transparent] forHTTPHeaderField[backcolor=transparent]:@[backcolor=transparent]"Cookie"[backcolor=transparent]];[backcolor=transparent]
4. [backcolor=transparent] [backcolor=transparent][[backcolor=transparent]webView loadRequest[backcolor=transparent]:[backcolor=transparent]request[backcolor=transparent]];

1. [backcolor=transparent]HTTPDNSCookieManager[backcolor=transparent].[backcolor=transparent]h
3. [backcolor=transparent]#ifndef[backcolor=transparent] [backcolor=transparent]HTTPDNSCookieManager_h
4. [backcolor=transparent]#define[backcolor=transparent] [backcolor=transparent]HTTPDNSCookieManager_h
6. [backcolor=transparent]// URL匹配Cookie规则
7. [backcolor=transparent]typedef[backcolor=transparent] BOOL [backcolor=transparent](^[backcolor=transparent]HTTPDNSCookieFilter[backcolor=transparent])([backcolor=transparent]NSHTTPCookie[backcolor=transparent] [backcolor=transparent]*,[backcolor=transparent] NSURL [backcolor=transparent]*);
9. [backcolor=transparent]@interface[backcolor=transparent] [backcolor=transparent]HTTPDNSCookieManager[backcolor=transparent] [backcolor=transparent]:[backcolor=transparent] [backcolor=transparent]NSObject
11. [backcolor=transparent]+[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]instancetype[backcolor=transparent])[backcolor=transparent]sharedInstance[backcolor=transparent];
13. [backcolor=transparent]/**
14. [backcolor=transparent] 指定URL匹配Cookie策略
16. [backcolor=transparent] @param filter 匹配器
17. [backcolor=transparent] */
18. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]void[backcolor=transparent])[backcolor=transparent]setCookieFilter[backcolor=transparent]:([backcolor=transparent]HTTPDNSCookieFilter[backcolor=transparent])[backcolor=transparent]filter[backcolor=transparent];
20. [backcolor=transparent]/**
21. [backcolor=transparent] 处理HTTP Reponse携带的Cookie并存储
23. [backcolor=transparent] @param headerFields HTTP Header Fields
24. [backcolor=transparent] @param URL 根据匹配策略获取查找URL关联的Cookie
25. [backcolor=transparent] @return 返回添加到存储的Cookie
26. [backcolor=transparent] */
27. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSArray[backcolor=transparent]<[backcolor=transparent]NSHTTPCookie[backcolor=transparent] [backcolor=transparent]*>[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]handleHeaderFields[backcolor=transparent]:([backcolor=transparent]NSDictionary[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]headerFields forURL[backcolor=transparent]:([backcolor=transparent]NSURL [backcolor=transparent]*)[backcolor=transparent]URL[backcolor=transparent];
29. [backcolor=transparent]/**
30. [backcolor=transparent] 匹配本地Cookie存储，获取对应URL的request cookie字符串
32. [backcolor=transparent] @param URL 根据匹配策略指定查找URL关联的Cookie
33. [backcolor=transparent] @return 返回对应URL的request Cookie字符串
34. [backcolor=transparent] */
35. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSString[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]getRequestCookieHeaderForURL[backcolor=transparent]:([backcolor=transparent]NSURL [backcolor=transparent]*)[backcolor=transparent]URL[backcolor=transparent];
37. [backcolor=transparent]/**
38. [backcolor=transparent] 删除存储cookie
40. [backcolor=transparent] @param URL 根据匹配策略查找URL关联的cookie
41. [backcolor=transparent] @return 返回成功删除cookie数
42. [backcolor=transparent] */
43. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSInteger[backcolor=transparent])[backcolor=transparent]deleteCookieForURL[backcolor=transparent]:([backcolor=transparent]NSURL [backcolor=transparent]*)[backcolor=transparent]URL[backcolor=transparent];
45. [backcolor=transparent]@end
47. [backcolor=transparent]#endif[backcolor=transparent] [backcolor=transparent]/* HTTPDNSCookieManager_h */
49. [backcolor=transparent]HTTPDNSCookieManager[backcolor=transparent].[backcolor=transparent]m
50. [backcolor=transparent]#import <Foundation/Foundation.h>
51. [backcolor=transparent]#import "HTTPDNSCookieManager.h"
53. [backcolor=transparent]@implementation[backcolor=transparent] [backcolor=transparent]HTTPDNSCookieManager
54. [backcolor=transparent]{
55. [backcolor=transparent]    [backcolor=transparent]HTTPDNSCookieFilter[backcolor=transparent] cookieFilter[backcolor=transparent];
56. [backcolor=transparent]}
58. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]instancetype[backcolor=transparent])[backcolor=transparent]init [backcolor=transparent]{
59. [backcolor=transparent]    [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]self[backcolor=transparent] [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]super[backcolor=transparent] init[backcolor=transparent]])[backcolor=transparent] [backcolor=transparent]{
60. [backcolor=transparent]        [backcolor=transparent]/**
61. [backcolor=transparent]            此处设置的Cookie和URL匹配策略比较简单，检查URL.host是否包含Cookie的domain字段
62. [backcolor=transparent]            通过调用setCookieFilter接口设定Cookie匹配策略，
63. [backcolor=transparent]            比如可以设定Cookie的domain字段和URL.host的后缀匹配 | URL是否符合Cookie的path设定
64. [backcolor=transparent]            细节匹配规则可参考RFC 2965 3.3节
65. [backcolor=transparent]         */
66. [backcolor=transparent]        cookieFilter [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent]^[backcolor=transparent]BOOL[backcolor=transparent]([backcolor=transparent]NSHTTPCookie[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookie[backcolor=transparent],[backcolor=transparent] NSURL [backcolor=transparent]*[backcolor=transparent]URL[backcolor=transparent])[backcolor=transparent] [backcolor=transparent]{
67. [backcolor=transparent]            [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([[backcolor=transparent]URL[backcolor=transparent].[backcolor=transparent]host containsString[backcolor=transparent]:[backcolor=transparent]cookie[backcolor=transparent].[backcolor=transparent]domain[backcolor=transparent]])[backcolor=transparent] [backcolor=transparent]{
68. [backcolor=transparent]                [backcolor=transparent]return[backcolor=transparent] YES[backcolor=transparent];
69. [backcolor=transparent]            [backcolor=transparent]}
70. [backcolor=transparent]            [backcolor=transparent]return[backcolor=transparent] NO[backcolor=transparent];
71. [backcolor=transparent]        [backcolor=transparent]};
72. [backcolor=transparent]    [backcolor=transparent]}
73. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] [backcolor=transparent]self[backcolor=transparent];
74. [backcolor=transparent]}
76. [backcolor=transparent]+[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]instancetype[backcolor=transparent])[backcolor=transparent]sharedInstance [backcolor=transparent]{
77. [backcolor=transparent]    [backcolor=transparent]static[backcolor=transparent] id singletonInstance [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent]nil[backcolor=transparent];
78. [backcolor=transparent]    [backcolor=transparent]static[backcolor=transparent] [backcolor=transparent]dispatch_once_t[backcolor=transparent] onceToken[backcolor=transparent];
79. [backcolor=transparent]    dispatch_once[backcolor=transparent](&[backcolor=transparent]onceToken[backcolor=transparent],[backcolor=transparent] [backcolor=transparent]^{
80. [backcolor=transparent]        [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent](![backcolor=transparent]singletonInstance[backcolor=transparent])[backcolor=transparent] [backcolor=transparent]{
81. [backcolor=transparent]            singletonInstance [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[[backcolor=transparent]super[backcolor=transparent] allocWithZone[backcolor=transparent]:[backcolor=transparent]NULL[backcolor=transparent]][backcolor=transparent] init[backcolor=transparent]];
82. [backcolor=transparent]        [backcolor=transparent]}
83. [backcolor=transparent]    [backcolor=transparent]});
84. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] singletonInstance[backcolor=transparent];
85. [backcolor=transparent]}
87. [backcolor=transparent]+[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]id[backcolor=transparent])[backcolor=transparent]allocWithZone[backcolor=transparent]:([backcolor=transparent]struct[backcolor=transparent] [backcolor=transparent]_NSZone[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]zone [backcolor=transparent]{
88. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]self[backcolor=transparent] sharedInstance[backcolor=transparent]];
89. [backcolor=transparent]}
91. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]id[backcolor=transparent])[backcolor=transparent]copyWithZone[backcolor=transparent]:([backcolor=transparent]struct[backcolor=transparent] [backcolor=transparent]_NSZone[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]zone [backcolor=transparent]{
92. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] [backcolor=transparent]self[backcolor=transparent];
93. [backcolor=transparent]}
95. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]void[backcolor=transparent])[backcolor=transparent]setCookieFilter[backcolor=transparent]:([backcolor=transparent]HTTPDNSCookieFilter[backcolor=transparent])[backcolor=transparent]filter [backcolor=transparent]{
96. [backcolor=transparent]    [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]filter [backcolor=transparent]!=[backcolor=transparent] [backcolor=transparent]nil[backcolor=transparent])[backcolor=transparent] [backcolor=transparent]{
97. [backcolor=transparent]        cookieFilter [backcolor=transparent]=[backcolor=transparent] filter[backcolor=transparent];
98. [backcolor=transparent]    [backcolor=transparent]}
99. [backcolor=transparent]}
101. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSArray[backcolor=transparent]<[backcolor=transparent]NSHTTPCookie[backcolor=transparent] [backcolor=transparent]*>[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]handleHeaderFields[backcolor=transparent]:([backcolor=transparent]NSDictionary[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]headerFields forURL[backcolor=transparent]:([backcolor=transparent]NSURL [backcolor=transparent]*)[backcolor=transparent]URL [backcolor=transparent]{
102. [backcolor=transparent]    [backcolor=transparent]NSArray[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookieArray [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]NSHTTPCookie[backcolor=transparent] cookiesWithResponseHeaderFields[backcolor=transparent]:[backcolor=transparent]headerFields forURL[backcolor=transparent]:[backcolor=transparent]URL[backcolor=transparent]];
103. [backcolor=transparent]    [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]cookieArray [backcolor=transparent]!=[backcolor=transparent] [backcolor=transparent]nil[backcolor=transparent])[backcolor=transparent] [backcolor=transparent]{
104. [backcolor=transparent]        [backcolor=transparent]NSHTTPCookieStorage[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookieStorage [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]NSHTTPCookieStorage[backcolor=transparent] sharedHTTPCookieStorage[backcolor=transparent]];
105. [backcolor=transparent]        [backcolor=transparent]for[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSHTTPCookie[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookie [backcolor=transparent]in[backcolor=transparent] cookieArray[backcolor=transparent])[backcolor=transparent] [backcolor=transparent]{
106. [backcolor=transparent]            [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]cookieFilter[backcolor=transparent]([backcolor=transparent]cookie[backcolor=transparent],[backcolor=transparent] URL[backcolor=transparent]))[backcolor=transparent] [backcolor=transparent]{
107. [backcolor=transparent]                [backcolor=transparent]NSLog[backcolor=transparent](@[backcolor=transparent]"Add a cookie: %@"[backcolor=transparent],[backcolor=transparent] cookie[backcolor=transparent]);
108. [backcolor=transparent]                [backcolor=transparent][[backcolor=transparent]cookieStorage setCookie[backcolor=transparent]:[backcolor=transparent]cookie[backcolor=transparent]];
109. [backcolor=transparent]            [backcolor=transparent]}
110. [backcolor=transparent]        [backcolor=transparent]}
111. [backcolor=transparent]    [backcolor=transparent]}
112. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] cookieArray[backcolor=transparent];
113. [backcolor=transparent]}
115. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSString[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]getRequestCookieHeaderForURL[backcolor=transparent]:([backcolor=transparent]NSURL [backcolor=transparent]*)[backcolor=transparent]URL [backcolor=transparent]{
116. [backcolor=transparent]    [backcolor=transparent]NSArray[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookieArray [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]self[backcolor=transparent] searchAppropriateCookies[backcolor=transparent]:[backcolor=transparent]URL[backcolor=transparent]];
117. [backcolor=transparent]    [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]cookieArray [backcolor=transparent]!=[backcolor=transparent] [backcolor=transparent]nil[backcolor=transparent] [backcolor=transparent]&&[backcolor=transparent] cookieArray[backcolor=transparent].[backcolor=transparent]count [backcolor=transparent]>[backcolor=transparent] [backcolor=transparent]0[backcolor=transparent])[backcolor=transparent] [backcolor=transparent]{
118. [backcolor=transparent]        [backcolor=transparent]NSDictionary[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookieDic [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]NSHTTPCookie[backcolor=transparent] requestHeaderFieldsWithCookies[backcolor=transparent]:[backcolor=transparent]cookieArray[backcolor=transparent]];
119. [backcolor=transparent]        [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([[backcolor=transparent]cookieDic objectForKey[backcolor=transparent]:@[backcolor=transparent]"Cookie"[backcolor=transparent]])[backcolor=transparent] [backcolor=transparent]{
120. [backcolor=transparent]            [backcolor=transparent]return[backcolor=transparent] cookieDic[backcolor=transparent][@[backcolor=transparent]"Cookie"[backcolor=transparent]];
121. [backcolor=transparent]        [backcolor=transparent]}
122. [backcolor=transparent]    [backcolor=transparent]}
123. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] [backcolor=transparent]nil[backcolor=transparent];
124. [backcolor=transparent]}
126. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSArray[backcolor=transparent] [backcolor=transparent]*)[backcolor=transparent]searchAppropriateCookies[backcolor=transparent]:([backcolor=transparent]NSURL [backcolor=transparent]*)[backcolor=transparent]URL [backcolor=transparent]{
127. [backcolor=transparent]    [backcolor=transparent]NSMutableArray[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookieArray [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]NSMutableArray[backcolor=transparent] array[backcolor=transparent]];
128. [backcolor=transparent]    [backcolor=transparent]NSHTTPCookieStorage[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookieStorage [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]NSHTTPCookieStorage[backcolor=transparent] sharedHTTPCookieStorage[backcolor=transparent]];
129. [backcolor=transparent]    [backcolor=transparent]for[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSHTTPCookie[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookie [backcolor=transparent]in[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]cookieStorage cookies[backcolor=transparent]])[backcolor=transparent] [backcolor=transparent]{
130. [backcolor=transparent]        [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]cookieFilter[backcolor=transparent]([backcolor=transparent]cookie[backcolor=transparent],[backcolor=transparent] URL[backcolor=transparent]))[backcolor=transparent] [backcolor=transparent]{
131. [backcolor=transparent]            [backcolor=transparent]NSLog[backcolor=transparent](@[backcolor=transparent]"Search an appropriate cookie: %@"[backcolor=transparent],[backcolor=transparent] cookie[backcolor=transparent]);
132. [backcolor=transparent]            [backcolor=transparent][[backcolor=transparent]cookieArray addObject[backcolor=transparent]:[backcolor=transparent]cookie[backcolor=transparent]];
133. [backcolor=transparent]        [backcolor=transparent]}
134. [backcolor=transparent]    [backcolor=transparent]}
135. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] cookieArray[backcolor=transparent];
136. [backcolor=transparent]}
138. [backcolor=transparent]-[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSInteger[backcolor=transparent])[backcolor=transparent]deleteCookieForURL[backcolor=transparent]:([backcolor=transparent]NSURL [backcolor=transparent]*)[backcolor=transparent]URL [backcolor=transparent]{
139. [backcolor=transparent]    [backcolor=transparent]int[backcolor=transparent] delCount [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent]0[backcolor=transparent];
140. [backcolor=transparent]    [backcolor=transparent]NSHTTPCookieStorage[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookieStorage [backcolor=transparent]=[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]NSHTTPCookieStorage[backcolor=transparent] sharedHTTPCookieStorage[backcolor=transparent]];
141. [backcolor=transparent]    [backcolor=transparent]for[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]NSHTTPCookie[backcolor=transparent] [backcolor=transparent]*[backcolor=transparent]cookie [backcolor=transparent]in[backcolor=transparent] [backcolor=transparent][[backcolor=transparent]cookieStorage cookies[backcolor=transparent]])[backcolor=transparent] [backcolor=transparent]{
142. [backcolor=transparent]        [backcolor=transparent]if[backcolor=transparent] [backcolor=transparent]([backcolor=transparent]cookieFilter[backcolor=transparent]([backcolor=transparent]cookie[backcolor=transparent],[backcolor=transparent] URL[backcolor=transparent]))[backcolor=transparent] [backcolor=transparent]{
143. [backcolor=transparent]            [backcolor=transparent]NSLog[backcolor=transparent](@[backcolor=transparent]"Delete a cookie: %@"[backcolor=transparent],[backcolor=transparent] cookie[backcolor=transparent]);
144. [backcolor=transparent]            [backcolor=transparent][[backcolor=transparent]cookieStorage deleteCookie[backcolor=transparent]:[backcolor=transparent]cookie[backcolor=transparent]];
145. [backcolor=transparent]            delCount[backcolor=transparent]++;
146. [backcolor=transparent]        [backcolor=transparent]}
147. [backcolor=transparent]    [backcolor=transparent]}
148. [backcolor=transparent]    [backcolor=transparent]return[backcolor=transparent] delCount[backcolor=transparent];
149. [backcolor=transparent]}
151. [backcolor=transparent]@end