From 9241901c9367259eebf1128c0693f9bc3f3597a5 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sun, 27 Nov 2016 19:57:28 +0300
Subject: juick-api: add hash-based authentication filter

---
 .../juick/api/configuration/ApiSecurityConfig.java |  8 +++-
 .../juick/api/configuration/JuickHashFilter.java   | 44 ++++++++++++++++++++++
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 juick-api/src/main/java/com/juick/api/configuration/JuickHashFilter.java

(limited to 'juick-api/src/main')

diff --git a/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java b/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java
index d7904199..cd5e3bbc 100644
--- a/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java
+++ b/juick-api/src/main/java/com/juick/api/configuration/ApiSecurityConfig.java
@@ -12,6 +12,7 @@ import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
 import org.springframework.security.config.http.SessionCreationPolicy;
+import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
 
 import javax.inject.Inject;
 
@@ -33,7 +34,8 @@ public class ApiSecurityConfig extends WebSecurityConfigurerAdapter {
 
     @Override
     protected void configure(HttpSecurity http) throws Exception {
-        http.authorizeRequests()
+        http.addFilterBefore(getJuickHashFilter(), UsernamePasswordAuthenticationFilter.class)
+                .authorizeRequests()
                 .antMatchers(HttpMethod.OPTIONS).permitAll()
                 .anyRequest().hasRole("USER")
                 .and().httpBasic().authenticationEntryPoint(getJuickAuthenticationEntryPoint())
@@ -49,4 +51,8 @@ public class ApiSecurityConfig extends WebSecurityConfigurerAdapter {
     public JuickAuthenticationEntryPoint getJuickAuthenticationEntryPoint() {
         return new JuickAuthenticationEntryPoint();
     }
+    @Bean
+    public JuickHashFilter getJuickHashFilter() {
+        return new JuickHashFilter();
+    }
 }
diff --git a/juick-api/src/main/java/com/juick/api/configuration/JuickHashFilter.java b/juick-api/src/main/java/com/juick/api/configuration/JuickHashFilter.java
new file mode 100644
index 00000000..62e6f3d2
--- /dev/null
+++ b/juick-api/src/main/java/com/juick/api/configuration/JuickHashFilter.java
@@ -0,0 +1,44 @@
+package com.juick.api.configuration;
+
+import com.juick.User;
+import com.juick.service.UserService;
+import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.GrantedAuthority;
+import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.context.SecurityContext;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.web.authentication.WebAuthenticationDetails;
+import org.springframework.web.filter.GenericFilterBean;
+
+import javax.inject.Inject;
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Created by vitalyster on 27.11.2016.
+ */
+public class JuickHashFilter extends GenericFilterBean {
+    @Inject
+    UserService userService;
+
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+        String hash = request.getParameter("hash");
+        if (hash != null) {
+            User user = userService.getUserByHash(hash);
+            if (user.getUid() > 0) {
+                List<GrantedAuthority> authorities = Collections.singletonList(new SimpleGrantedAuthority("ROLE_USER"));
+                UsernamePasswordAuthenticationToken token = new UsernamePasswordAuthenticationToken(user.getName(), null);
+                token.setDetails(new WebAuthenticationDetails((HttpServletRequest) request));
+                SecurityContextHolder.getContext().setAuthentication(new UsernamePasswordAuthenticationToken(user.getName(), null, authorities));
+            }
+        }
+        chain.doFilter(request, response);
+    }
+ }
-- 
cgit v1.2.3