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diff --git a/dist/facebook-utils-2.5.0/xref/de/juplo/facebook/FacebookUtils.html b/dist/facebook-utils-2.5.0/xref/de/juplo/facebook/FacebookUtils.html
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+FacebookUtils xref
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+
+
+
+1 package de.juplo.facebook;
+2
+3
+4 import de.juplo.facebook.token.SignedRequestAwareAuthorizationCodeAccessTokenProvider;
+5 import de.juplo.facebook.client.GraphApiErrorHandler;
+6 import java.util.Arrays;
+7 import java.util.LinkedList;
+8 import java.util.List;
+9 import javax.annotation.PostConstruct;
+10 import org.slf4j.Logger;
+11 import org.slf4j.LoggerFactory;
+12 import org.springframework.beans.BeansException;
+13 import org.springframework.beans.factory.annotation.Autowired;
+14 import org.springframework.beans.factory.config.BeanPostProcessor;
+15 import org.springframework.context.annotation.Bean;
+16 import org.springframework.context.annotation.Configuration;
+17 import org.springframework.security.oauth2.client.OAuth2RestTemplate;
+18 import org.springframework.security.oauth2.client.http.OAuth2ErrorHandler;
+19 import org.springframework.security.oauth2.client.token.AccessTokenProvider;
+20 import org.springframework.security.oauth2.client.token.AccessTokenProviderChain;
+21 import org.springframework.security.oauth2.client.token.grant.client.ClientCredentialsAccessTokenProvider;
+22 import org.springframework.security.oauth2.client.token.grant.implicit.ImplicitAccessTokenProvider;
+23 import org.springframework.security.oauth2.client.token.grant.password.ResourceOwnerPasswordAccessTokenProvider;
+24
+25
+26
+27
+28
+29
+30
+31
+32 @Configuration
+33 public class FacebookUtils
+34 {
+35 private final Logger log = LoggerFactory.getLogger(FacebookUtils.class);
+36
+37
+38 @Autowired(required=false)
+39 private List<AccessTokenProvider> accessTokenProviderChain;
+40
+41
+42 @PostConstruct
+43 public void init()
+44 {
+45 if (accessTokenProviderChain == null)
+46 {
+47 log.info("no AccessTokenProviderChain configured, creating default-chain");
+48 accessTokenProviderChain =
+49 Arrays.<AccessTokenProvider> asList(
+50 new ImplicitAccessTokenProvider(),
+51 new ResourceOwnerPasswordAccessTokenProvider(),
+52 new ClientCredentialsAccessTokenProvider()
+53 );
+54 }
+55 }
+56
+57
+58 @Bean
+59 public BeanPostProcessor getBeanPostProcessor(final String clientSecret)
+60 {
+61 log.debug("createing new instance of BeanPostProcessor");
+62 return new BeanPostProcessor() {
+63
+64 @Override
+65 public Object postProcessBeforeInitialization(
+66 Object bean,
+67 String beanName
+68 )
+69 throws
+70 BeansException
+71 {
+72 if (bean instanceof OAuth2RestTemplate)
+73 {
+74 log.info("injecting signed_request-aware AccessTokenProviderChain");
+75 OAuth2RestTemplate template = (OAuth2RestTemplate)bean;
+76 List<AccessTokenProvider> chain =
+77 new LinkedList<>(accessTokenProviderChain);
+78 SignedRequestAwareAuthorizationCodeAccessTokenProvider provider =
+79 new SignedRequestAwareAuthorizationCodeAccessTokenProvider();
+80 provider.setSecret(clientSecret);
+81 chain.add(provider);
+82 template.setAccessTokenProvider(new AccessTokenProviderChain(chain));
+83 log.info("injecting GraphApiErrorHandler");
+84 template.setErrorHandler(
+85 new GraphApiErrorHandler(
+86 (OAuth2ErrorHandler)template.getErrorHandler()
+87 )
+88 );
+89 }
+90
+91 return bean;
+92 }
+93
+94 @Override
+95 public Object postProcessAfterInitialization(
+96 Object bean,
+97 String beanName
+98 )
+99 throws
+100 BeansException
+101 {
+102 return bean;
+103 }
+104 };
+105 }
+106 }
+
+
+
+
+