資訊專欄INFORMATION COLUMN
摘要：我們以微信為例，首先我們發(fā)送一個請求，因為你已經登錄了，所以后臺可以獲取當前是誰，然后就獲取到請求的鏈接，最后就是跳轉到這個鏈接上面去。
1、準備工作
申請QQ、微信相關AppId和AppSecret，這些大家自己到QQ互聯(lián)和微信開發(fā)平臺 去申請吧
還有java后臺要引入相關的jar包，如下：
org.springframework.security.oauth.boot spring-security-oauth2-autoconfigure org.springframework.security.oauth spring-security-oauth2 2.3.3.RELEASE org.springframework.boot spring-boot-starter-security org.springframework.cloud spring-cloud-starter-security org.springframework.cloud spring-cloud-starter-oauth2 org.springframework.boot spring-boot-starter-data-redis org.springframework.boot spring-boot-starter-jdbc mysql mysql-connector-java org.springframework.social spring-social-config 1.1.6.RELEASE org.springframework.social spring-social-core 1.1.6.RELEASE org.springframework.social spring-social-security 1.1.6.RELEASE org.springframework.social spring-social-web 1.1.6.RELEASE io.jsonwebtoken jjwt 0.9.1 org.apache.commons commons-lang3 3.7 org.apache.commons commons-collections4 4.2 commons-beanutils commons-beanutils 1.9.3 org.springframework.boot spring-boot-configuration-processor org.springframework.data spring-data-mongodb 2.0.9.RELEASE org.springframework.boot spring-boot-starter-data-mongodb 2.0.4.RELEASE com.fasterxml.jackson.core jackson-core 2.9.6
然后在application.properties里面設置相關配置，如redis、mysql等設置，如下：
spring.datasource.url= spring.datasource.username= spring.datasource.password= spring.datasource.driverClassName=com.mysql.jdbc.Driver spring.redis.host=127.0.0.1 spring.redis.password=your_pwd spring.redis.port=6379 spring.redis.timeout=30000 ssb.security.social.register-url=/social/signUp ssb.security.social.filter-processes-url=/social-login ssb.security.social.bind-url=https://website/social-bind/qq ssb.security.social.callback-url=https://website/social-login ssb.security.social.connect-url=https://website/social-connect //QQ授權 ssb.security.social.qq.app-id= ssb.security.social.qq.app-secret= ssb.security.social.qq.provider-id=qq //WeChat授權 ssb.security.social.wechat.app-id= ssb.security.social.wechat.app-secret= ssb.security.social.wechat.provider-id=wechat2、分析社交綁定ConnectController類
準備工作做好之后，現(xiàn)在我們開始分析社交綁定，其實spring-social框架里已經自帶了spring-social-web，這個jar包里面有個ConnectController.java類，這個類已經幫我們實現(xiàn)了相關綁定與解綁實現(xiàn)方法，問題在于它是基于Session的，所以如果是前后端分離項目使用Session當然應有問題，所以我們要結合Redis來使用，把相關變量都存在Redis中，所以我們上面已經配置好了Redis，我們再來看看Redis配置代碼：
@Configuration
public class RestTemplateConfig {
@Bean
public RestTemplate restTemplate(ClientHttpRequestFactory factory){
return new RestTemplate(factory);
}
@Bean
public ClientHttpRequestFactory simpleClientHttpRequestFactory(){
SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
factory.setReadTimeout(50000);//單位為ms
factory.setConnectTimeout(50000);//單位為ms
return factory;
}
}
3、獲取系統(tǒng)當前用戶所有社交賬號綁定情況
設置好之后，我們來分析一下spring-social-web這個jar包獲取社交賬號綁定情況，它的請求地址是/connect，代碼如下：
@Controller
@RequestMapping({"/connect"})
public class ConnectController implements InitializingBean {
private static final Log logger = LogFactory.getLog(ConnectController.class);
private final ConnectionFactoryLocator connectionFactoryLocator;
private final ConnectionRepository connectionRepository;
private final MultiValueMap, ConnectInterceptor> connectInterceptors = new LinkedMultiValueMap();
private final MultiValueMap, DisconnectInterceptor> disconnectInterceptors = new LinkedMultiValueMap();
private ConnectSupport connectSupport;
private final UrlPathHelper urlPathHelper = new UrlPathHelper();
private String viewPath = "connect/";
private SessionStrategy sessionStrategy = new HttpSessionSessionStrategy();
private String applicationUrl = null;
protected static final String DUPLICATE_CONNECTION_ATTRIBUTE = "social_addConnection_duplicate";
protected static final String PROVIDER_ERROR_ATTRIBUTE = "social_provider_error";
protected static final String AUTHORIZATION_ERROR_ATTRIBUTE = "social_authorization_error";
@Inject
public ConnectController(ConnectionFactoryLocator connectionFactoryLocator, ConnectionRepository connectionRepository) {
this.connectionFactoryLocator = connectionFactoryLocator;
this.connectionRepository = connectionRepository;
}
/** @deprecated */
@Deprecated
public void setInterceptors(List> interceptors) {
this.setConnectInterceptors(interceptors);
}
public void setConnectInterceptors(List> interceptors) {
Iterator var2 = interceptors.iterator();
while(var2.hasNext()) {
ConnectInterceptor interceptor = (ConnectInterceptor)var2.next();
this.addInterceptor(interceptor);
}
}
public void setDisconnectInterceptors(List> interceptors) {
Iterator var2 = interceptors.iterator();
while(var2.hasNext()) {
DisconnectInterceptor interceptor = (DisconnectInterceptor)var2.next();
this.addDisconnectInterceptor(interceptor);
}
}
public void setApplicationUrl(String applicationUrl) {
this.applicationUrl = applicationUrl;
}
public void setViewPath(String viewPath) {
this.viewPath = viewPath;
}
public void setSessionStrategy(SessionStrategy sessionStrategy) {
this.sessionStrategy = sessionStrategy;
}
public void addInterceptor(ConnectInterceptor interceptor) {
Class serviceApiType = GenericTypeResolver.resolveTypeArgument(interceptor.getClass(), ConnectInterceptor.class);
this.connectInterceptors.add(serviceApiType, interceptor);
}
public void addDisconnectInterceptor(DisconnectInterceptor interceptor) {
Class serviceApiType = GenericTypeResolver.resolveTypeArgument(interceptor.getClass(), DisconnectInterceptor.class);
this.disconnectInterceptors.add(serviceApiType, interceptor);
}
@RequestMapping(
method = {RequestMethod.GET}
)
public String connectionStatus(NativeWebRequest request, Model model) {
this.setNoCache(request);
this.processFlash(request, model);
Map>> connections = this.connectionRepository.findAllConnections();
model.addAttribute("providerIds", this.connectionFactoryLocator.registeredProviderIds());
model.addAttribute("connectionMap", connections);
return this.connectView();
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.GET}
)
public String connectionStatus(@PathVariable String providerId, NativeWebRequest request, Model model) {
this.setNoCache(request);
this.processFlash(request, model);
List> connections = this.connectionRepository.findConnections(providerId);
this.setNoCache(request);
if(connections.isEmpty()) {
return this.connectView(providerId);
} else {
model.addAttribute("connections", connections);
return this.connectedView(providerId);
}
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.POST}
)
public RedirectView connect(@PathVariable String providerId, NativeWebRequest request) {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
MultiValueMap parameters = new LinkedMultiValueMap();
this.preConnect(connectionFactory, parameters, request);
try {
return new RedirectView(this.connectSupport.buildOAuthUrl(connectionFactory, request, parameters));
} catch (Exception var6) {
this.sessionStrategy.setAttribute(request, "social_provider_error", var6);
return this.connectionStatusRedirect(providerId, request);
}
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.GET},
params = {"oauth_token"}
)
public RedirectView oauth1Callback(@PathVariable String providerId, NativeWebRequest request) {
try {
OAuth1ConnectionFactory connectionFactory = (OAuth1ConnectionFactory)this.connectionFactoryLocator.getConnectionFactory(providerId);
Connection connection = this.connectSupport.completeConnection(connectionFactory, request);
this.addConnection(connection, connectionFactory, request);
} catch (Exception var5) {
this.sessionStrategy.setAttribute(request, "social_provider_error", var5);
logger.warn("Exception while handling OAuth1 callback (" + var5.getMessage() + "). Redirecting to " + providerId + " connection status page.");
}
return this.connectionStatusRedirect(providerId, request);
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.GET},
params = {"code"}
)
public RedirectView oauth2Callback(@PathVariable String providerId, NativeWebRequest request) {
try {
OAuth2ConnectionFactory connectionFactory = (OAuth2ConnectionFactory)this.connectionFactoryLocator.getConnectionFactory(providerId);
Connection connection = this.connectSupport.completeConnection(connectionFactory, request);
this.addConnection(connection, connectionFactory, request);
} catch (Exception var5) {
this.sessionStrategy.setAttribute(request, "social_provider_error", var5);
logger.warn("Exception while handling OAuth2 callback (" + var5.getMessage() + "). Redirecting to " + providerId + " connection status page.");
}
return this.connectionStatusRedirect(providerId, request);
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.GET},
params = {"error"}
)
public RedirectView oauth2ErrorCallback(@PathVariable String providerId, @RequestParam("error") String error, @RequestParam(value = "error_description",required = false) String errorDescription, @RequestParam(value = "error_uri",required = false) String errorUri, NativeWebRequest request) {
Map errorMap = new HashMap();
errorMap.put("error", error);
if(errorDescription != null) {
errorMap.put("errorDescription", errorDescription);
}
if(errorUri != null) {
errorMap.put("errorUri", errorUri);
}
this.sessionStrategy.setAttribute(request, "social_authorization_error", errorMap);
return this.connectionStatusRedirect(providerId, request);
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.DELETE}
)
public RedirectView removeConnections(@PathVariable String providerId, NativeWebRequest request) {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
this.preDisconnect(connectionFactory, request);
this.connectionRepository.removeConnections(providerId);
this.postDisconnect(connectionFactory, request);
return this.connectionStatusRedirect(providerId, request);
}
@RequestMapping(
value = {"/{providerId}/{providerUserId}"},
method = {RequestMethod.DELETE}
)
public RedirectView removeConnection(@PathVariable String providerId, @PathVariable String providerUserId, NativeWebRequest request) {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
this.preDisconnect(connectionFactory, request);
this.connectionRepository.removeConnection(new ConnectionKey(providerId, providerUserId));
this.postDisconnect(connectionFactory, request);
return this.connectionStatusRedirect(providerId, request);
}
protected String connectView() {
return this.getViewPath() + "status";
}
protected String connectView(String providerId) {
return this.getViewPath() + providerId + "Connect";
}
protected String connectedView(String providerId) {
return this.getViewPath() + providerId + "Connected";
}
protected RedirectView connectionStatusRedirect(String providerId, NativeWebRequest request) {
HttpServletRequest servletRequest = (HttpServletRequest)request.getNativeRequest(HttpServletRequest.class);
String path = "/connect/" + providerId + this.getPathExtension(servletRequest);
if(this.prependServletPath(servletRequest)) {
path = servletRequest.getServletPath() + path;
}
return new RedirectView(path, true);
}
public void afterPropertiesSet() throws Exception {
this.connectSupport = new ConnectSupport(this.sessionStrategy);
if(this.applicationUrl != null) {
this.connectSupport.setApplicationUrl(this.applicationUrl);
}
}
private boolean prependServletPath(HttpServletRequest request) {
return !this.urlPathHelper.getPathWithinServletMapping(request).equals("");
}
private String getPathExtension(HttpServletRequest request) {
String fileName = this.extractFullFilenameFromUrlPath(request.getRequestURI());
String extension = StringUtils.getFilenameExtension(fileName);
return extension != null?"." + extension:"";
}
private String extractFullFilenameFromUrlPath(String urlPath) {
int end = urlPath.indexOf(63);
if(end == -1) {
end = urlPath.indexOf(35);
if(end == -1) {
end = urlPath.length();
}
}
int begin = urlPath.lastIndexOf(47, end) + 1;
int paramIndex = urlPath.indexOf(59, begin);
end = paramIndex != -1 && paramIndex < end?paramIndex:end;
return urlPath.substring(begin, end);
}
private String getViewPath() {
return this.viewPath;
}
private void addConnection(Connection connection, ConnectionFactory connectionFactory, WebRequest request) {
try {
this.connectionRepository.addConnection(connection);
this.postConnect(connectionFactory, connection, request);
} catch (DuplicateConnectionException var5) {
this.sessionStrategy.setAttribute(request, "social_addConnection_duplicate", var5);
}
}
private void preConnect(ConnectionFactory connectionFactory, MultiValueMap parameters, WebRequest request) {
Iterator var4 = this.interceptingConnectionsTo(connectionFactory).iterator();
while(var4.hasNext()) {
ConnectInterceptor interceptor = (ConnectInterceptor)var4.next();
interceptor.preConnect(connectionFactory, parameters, request);
}
}
private void postConnect(ConnectionFactory connectionFactory, Connection connection, WebRequest request) {
Iterator var4 = this.interceptingConnectionsTo(connectionFactory).iterator();
while(var4.hasNext()) {
ConnectInterceptor interceptor = (ConnectInterceptor)var4.next();
interceptor.postConnect(connection, request);
}
}
private void preDisconnect(ConnectionFactory connectionFactory, WebRequest request) {
Iterator var3 = this.interceptingDisconnectionsTo(connectionFactory).iterator();
while(var3.hasNext()) {
DisconnectInterceptor interceptor = (DisconnectInterceptor)var3.next();
interceptor.preDisconnect(connectionFactory, request);
}
}
private void postDisconnect(ConnectionFactory connectionFactory, WebRequest request) {
Iterator var3 = this.interceptingDisconnectionsTo(connectionFactory).iterator();
while(var3.hasNext()) {
DisconnectInterceptor interceptor = (DisconnectInterceptor)var3.next();
interceptor.postDisconnect(connectionFactory, request);
}
}
private List> interceptingConnectionsTo(ConnectionFactory connectionFactory) {
Class serviceType = GenericTypeResolver.resolveTypeArgument(connectionFactory.getClass(), ConnectionFactory.class);
List> typedInterceptors = (List)this.connectInterceptors.get(serviceType);
if(typedInterceptors == null) {
typedInterceptors = Collections.emptyList();
}
return typedInterceptors;
}
private List> interceptingDisconnectionsTo(ConnectionFactory connectionFactory) {
Class serviceType = GenericTypeResolver.resolveTypeArgument(connectionFactory.getClass(), ConnectionFactory.class);
List> typedInterceptors = (List)this.disconnectInterceptors.get(serviceType);
if(typedInterceptors == null) {
typedInterceptors = Collections.emptyList();
}
return typedInterceptors;
}
private void processFlash(WebRequest request, Model model) {
this.convertSessionAttributeToModelAttribute("social_addConnection_duplicate", request, model);
this.convertSessionAttributeToModelAttribute("social_provider_error", request, model);
model.addAttribute("social_authorization_error", this.sessionStrategy.getAttribute(request, "social_authorization_error"));
this.sessionStrategy.removeAttribute(request, "social_authorization_error");
}
private void convertSessionAttributeToModelAttribute(String attributeName, WebRequest request, Model model) {
if(this.sessionStrategy.getAttribute(request, attributeName) != null) {
model.addAttribute(attributeName, Boolean.TRUE);
this.sessionStrategy.removeAttribute(request, attributeName);
}
}
private void setNoCache(NativeWebRequest request) {
HttpServletResponse response = (HttpServletResponse)request.getNativeResponse(HttpServletResponse.class);
if(response != null) {
response.setHeader("Pragma", "no-cache");
response.setDateHeader("Expires", 1L);
response.setHeader("Cache-Control", "no-cache");
response.addHeader("Cache-Control", "no-store");
}
}
}
上面就是ConnectController的源碼了，我們現(xiàn)在分析一下獲取當前用戶社交綁定情況的方法：
@RequestMapping(
method = {RequestMethod.GET}
)
public String connectionStatus(NativeWebRequest request, Model model) {
this.setNoCache(request);
this.processFlash(request, model);
Map>> connections = this.connectionRepository.findAllConnections();
model.addAttribute("providerIds", this.connectionFactoryLocator.registeredProviderIds());
model.addAttribute("connectionMap", connections);
return this.connectView();
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.GET}
)
public String connectionStatus(@PathVariable String providerId, NativeWebRequest request, Model model) {
this.setNoCache(request);
this.processFlash(request, model);
List> connections = this.connectionRepository.findConnections(providerId);
this.setNoCache(request);
if(connections.isEmpty()) {
return this.connectView(providerId);
} else {
model.addAttribute("connections", connections);
return this.connectedView(providerId);
}
}
對了，就是這兩個方法，前面第一個方法請求的地址是：/connect(需要用戶登錄) 這個地址是獲取當前用戶所有社交賬號綁定情況，第二個方法請求的地址是：/connect/{providerId}(需要用戶登錄) 這個地址是獲取某個社交賬號綁定情況，如/connect/qq，所以我們要獲取當前用戶綁定的所有社交賬號綁定情況，使用的是第一個方法，但是現(xiàn)在有個問題，獲取完之后 它是直接跳轉頁面到/connect/status，當然這不是我們想要的，我們要修改這個類，比如地址換成/socialConnect，這個換成自己的就好，然后我們來改下這個方法，如下：
@RequestMapping(
method = {RequestMethod.GET}
)
public ResponseEntity connectionStatus(NativeWebRequest request, Model model) throws JsonProcessingException {
this.setNoCache(request);
this.processFlash(request, model);
Map>> connections = this.connectionRepository.findAllConnections();
model.addAttribute("providerIds", this.connectionFactoryLocator.registeredProviderIds());
model.addAttribute("connectionMap", connections);
Map result = new HashMap();
for (String key : connections.keySet()){
result.put(key, org.apache.commons.collections.CollectionUtils.isNotEmpty(connections.get(key)));
}
return ResponseEntity.ok(objectMapper.writeValueAsString(result));
}
改好的代碼直接返回Json數(shù)據(jù)給前端，而不是跳轉頁面，完美解決了前后端分離項目問題，好了，我們使用postman發(fā)送請求測試看看：
如圖所示，我們成功獲取當前登錄用戶所有社交賬號綁定情況了(為什么這里只有qq和微信？社交賬號的類型是你application.proterties里面配置的)。
4、綁定社交賬號好了，我們來看看綁定社交賬號的方法：
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.POST}
)
public RedirectView connect(@PathVariable String providerId, NativeWebRequest request) {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
MultiValueMap parameters = new LinkedMultiValueMap();
this.preConnect(connectionFactory, parameters, request);
try {
return new RedirectView(this.connectSupport.buildOAuthUrl(connectionFactory, request, parameters));
} catch (Exception var6) {
this.sessionStrategy.setAttribute(request, "social_provider_error", var6);
return this.connectionStatusRedirect(providerId, request);
}
}
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.GET},
params = {"code"}
)
public RedirectView oauth2Callback(@PathVariable String providerId, NativeWebRequest request) {
try {
OAuth2ConnectionFactory connectionFactory = (OAuth2ConnectionFactory)this.connectionFactoryLocator.getConnectionFactory(providerId);
Connection connection = this.connectSupport.completeConnection(connectionFactory, request);
this.addConnection(connection, connectionFactory, request);
} catch (Exception var5) {
this.sessionStrategy.setAttribute(request, "social_provider_error", var5);
logger.warn("Exception while handling OAuth2 callback (" + var5.getMessage() + "). Redirecting to " + providerId + " connection status page.");
}
return this.connectionStatusRedirect(providerId, request);
}
現(xiàn)在來分析 下這兩個 方法的作用，第一個方法請求的地址是：POST /connect/{providerId}(需要登錄) ，第二個方法請求地址是：GET /connect/{providerId}?code=&state=(需要登錄)，第一個方法是獲取社交授權連接地址（這個是你自己社交登錄時候封裝好的，這里我不打算詳細講解，后面課程再放出來吧）比如qq的授權地址：https://graph.qq.com/oauth2.0...，這樣當你授權成功之后就回調到了第二個方法里面，順便把code和state原樣返回過來，這一套綁定機制都是基于session的，下面我們來分析看下他是如何實現(xiàn)的。
我們以微信為例，首先我們發(fā)送一個POST請求/connect/wechat，因為你已經登錄了，所以后臺可以獲取當前user是誰，然后就獲取到請求的鏈接：https://open.weixin.qq.com/co...，最后就是跳轉到這個鏈接上面去。這是第一個方法的作用，接下來我們分析第二個方法。
請求上面的鏈接之后就是跳轉到微信掃碼的頁面，如下所示：
掃完之后立馬就跳到上面鏈接redirect_uri地址上面去，也就是現(xiàn)在的第二個方法上面，而且是帶著state和code兩個參數(shù)，這時候后臺開始驗證你回傳過來的state值是不是匹配的，不匹配就報錯并且跳轉到出錯頁面，匹配的話就往下走，并且通過code獲取SpringSecurity OAuth相關社交用戶信息并保存到數(shù)據(jù)庫中，這就是code和state的作用，驗證和獲取完之后就可以，這樣你就綁定成功了，最后跳轉到/connected/wechat頁面了，這樣就結束了綁定功能了。
那么我們前后端分離項目要使用這套機制，我們必須改一下他的源碼了。
首先第一個方法，我們要把userId保存到以state的redis鍵值對中，也就是：{state:userId}，然后以JSON的格式返回社交授權的鏈接給前臺，這是第一個方法要修改的思路。
然后第二個方法，是社交授權鏈接返回回來的，因為前后端分離項目session就無法使用了，所以要獲取用戶信息必須通過上面redis保存的{state:userId}，來獲取用戶id。再一個我們通過code獲取社交用戶信息，兩個數(shù)據(jù)都獲取了，這個時候我們就可以安心的把社交用戶信息保存到數(shù)據(jù)庫中(這里的通過state從redis中獲取userId，其實也是一種驗證state的方式，你想想可是呢！)，最后就跳轉到你想要的頁面就好了，下面就是修改后的代碼了，可以看看：
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.POST}
)
public ResponseEntity connect(@PathVariable String providerId,
NativeWebRequest request) {
HttpServletRequest nativeRequest = request.getNativeRequest(HttpServletRequest.class);
Principal user = nativeRequest.getUserPrincipal();
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
MultiValueMap parameters = new LinkedMultiValueMap();
this.preConnect(connectionFactory, parameters, request);
try {
String social_connect_url = this.connectSupport.buildOAuthUrl(connectionFactory, request, parameters);
String state = (String) this.sessionStrategy.getAttribute(request, "oauth2State");
this.sessionStrategy.removeAttribute(request, "oauth2State");
//把userId以state為key的形式保存到redis中
socialRedisHelper.saveStateUserId(state, user.getName());
//返回社交鏈接地址
return ResponseEntity.ok(social_connect_url);
} catch (Exception var6) {
this.sessionStrategy.setAttribute(request, "social_provider_error", var6);
logger.info(var6.getMessage());
return null;
}
}
//輔助方法1
protected String callbackUrl(NativeWebRequest request) {
if (this.callbackUrl != null) {
return this.callbackUrl;
} else {
HttpServletRequest nativeRequest = request.getNativeRequest(HttpServletRequest.class);
return this.applicationUrl != null ? this.applicationUrl + this.connectPath(nativeRequest) : nativeRequest.getRequestURL().toString();
}
}
//輔助方法2
private String connectPath(HttpServletRequest request) {
String pathInfo = request.getPathInfo();
return request.getServletPath() + (pathInfo != null ? pathInfo : "");
}
//回調方法
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.GET},
params = {"code"}
)
public void oauth2Callback(@PathVariable String providerId,
NativeWebRequest request,
HttpServletResponse response) {
try {
//ConnectController是先保存在session里面，然后回調從session里面取出來校驗
//我現(xiàn)在是通過redis保存state 的 userId，這樣就相當于校驗了state
String state = request.getParameter("state");
String code = request.getParameter("code");
OAuth2ConnectionFactory connectionFactory = (OAuth2ConnectionFactory) this.connectionFactoryLocator.getConnectionFactory(providerId);
AccessGrant accessGrant = connectionFactory.getOAuthOperations().exchangeForAccess(code, this.callbackUrl(request), null);
Connection connection = connectionFactory.createConnection(accessGrant);
//從redis中獲取userid
String userId = socialRedisHelper.getStateUserId(state);
//保存到數(shù)據(jù)庫中
jdbcConnectionRepository.createConnectionRepository(userId).addConnection(connection);
//跳轉頁面到前臺任何你想設置的地址
response.sendRedirect(connectUrl);
} catch (Exception ex) {
logger.info(ex.getMessage());
}
}
這樣你就完成了后臺綁定相關工作，那么我把前端相關代碼也放出來大家看下吧：
gotoBind(type){
let url = `${this.$url}/socialConnect/${type}`;
this.$post(url)
.then(res=>{
if(res.code == 0){
this.openWindow(res.data.redirect_uri)
}
})
},
openWindow(url){
let sf_H = 550;
let sf_W = 720;
var iTop = (window.screen.height-30 -sf_H)/2; //獲得窗口的垂直位置;
var iLeft = (window.screen.width-10 -sf_W)/2; //獲得窗口的水平位置;
let s = window.open(url,"social_bind_form","height="+sf_H+
", width="+sf_W+",top="+iTop+",left="+iLeft+"toolbar=no, menubar=no, scrollbars=no, status=no, location=yes, resizable=yes");
},
上面是獲取社交綁定地址并跳轉，下面是回調成功之后關閉對話框并刷新的頁面代碼。
我們來演示一下：
5、解綁社交賬號綁定社交賬號已經成功了，現(xiàn)在我們來看一下如何解綁社交賬號吧，我們先看下源碼是如何實現(xiàn)的，如下
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.DELETE}
)
public RedirectView removeConnections(@PathVariable String providerId, NativeWebRequest request) {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
this.preDisconnect(connectionFactory, request);
this.connectionRepository.removeConnections(providerId);
this.postDisconnect(connectionFactory, request);
return this.connectionStatusRedirect(providerId, request);
}
@RequestMapping(
value = {"/{providerId}/{providerUserId}"},
method = {RequestMethod.DELETE}
)
public RedirectView removeConnection(@PathVariable String providerId, @PathVariable String providerUserId, NativeWebRequest request) {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
this.preDisconnect(connectionFactory, request);
this.connectionRepository.removeConnection(new ConnectionKey(providerId, providerUserId));
this.postDisconnect(connectionFactory, request);
return this.connectionStatusRedirect(providerId, request);
}
第一個方法請求地址是：Delete /connect/{providerId}(需登錄)，第二個方法請求地址是：Delete /connect/{providerId}/{providerUserId}(需登錄)，注意這里的providerUserId其實就是社交用戶id,比如微信的openId，第一個方法是根據(jù)登錄的userId和providerId來刪除數(shù)據(jù)庫中綁定的社交用戶數(shù)據(jù)，第二個方法是根據(jù)登錄的userId和providerId還有providerUserId來刪除數(shù)據(jù)庫中綁定的社交用戶數(shù)據(jù)，這兩個 方法都有相同的一點就是跳轉到刪除之后的頁面，所以我們只要把跳轉頁面以JSON的形式返回給前端就好，下面就是修改后的代碼：
@RequestMapping(
value = {"/{providerId}"},
method = {RequestMethod.DELETE}
)
public ResponseEntity removeConnections(@PathVariable String providerId, NativeWebRequest request) {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
this.preDisconnect(connectionFactory, request);
this.connectionRepository.removeConnections(providerId);
this.postDisconnect(connectionFactory, request);
return ResponseEntity.ok("success");
}
@RequestMapping(
value = {"/{providerId}/{providerUserId}"},
method = {RequestMethod.DELETE}
)
public ResponseEntity removeConnection(@PathVariable String providerId,
@PathVariable String providerUserId,
NativeWebRequest request) throws IOException {
try {
ConnectionFactory connectionFactory = this.connectionFactoryLocator.getConnectionFactory(providerId);
this.preDisconnect(connectionFactory, request);
this.connectionRepository.removeConnection(new ConnectionKey(providerId, providerUserId));
this.postDisconnect(connectionFactory, request);
} catch (Exception ex) {
logger.info(ex.getMessage());
}
return ResponseEntity.ok("success");
}
我們再把前端代碼貼出來：
gotoUnBind(type){
let url = `${this.$url}/socialConnect/${type}`;
this.$delete(url)
.then(res=>{
if(res.code == 0){
this.$Message.success("解綁成功！")
location.reload();
}
})
},
6、總結：
1、只要把思路理清楚了，其實修改成自己想要的代碼就不難
2、注意ConnectController代碼是基于Session的，所以你必須要登錄的情況下才能使用
3、redis的使用在這里發(fā)揮到了一定作用，所以說前后端分離項目離不開redis
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