配置Dispatcher for Communities

AEM Communities

對於AEM Communities，必須設定Dispatcher，以確保社群網站正常運作。當包含啟用社群和社交登入等功能時，需要額外的設定。

瞭解您特定部署和網站設計的必要項目

聯絡客戶服務

另請參見主Dispatcher documentation。

Dispatcher Caching

概覽

AEM Communities的Dispatcher快取功能是讓Dispatcher提供社群網站頁面的完整快取版本。

目前，僅支援匿名網站訪客，例如瀏覽社群網站或透過搜尋著陸於社群頁面的使用者，以及搜尋引擎支援哪些索引頁面。其優點是匿名使用者和搜尋引擎將體驗到改善的效能。

對於登入成員，調度程式會繞過快取，直接將請求轉發給發佈程式，這樣所有頁面都會動態生成並傳遞。

配置為支援調度程式快取時，基於TTL的「最大存留期」過期時間將添加到標頭中，以確保調度程式快取頁是最新的。

要求

Dispatcher 4.1.2版或更新版本（有關最新版本，請參見安裝Dispatcher）
ACS AEM Commons套件
- 3.3.2版或更新版本
- ACS AEM Commons - Dispatcher Cache Control Header - Max Age OSGi組態

設定

OSGi組態ACS AEM Commons - Dispatcher Cache Control Header - Max Age會設定出現在指定路徑下的快取頁面到期時間。

從Web控制台
- 例如，http://localhost:4503/system/console/configMgr
找到ACS AEM Commons - Dispatcher Cache Control Header - Max Age
選擇「+」表徵圖以建立新連接配置

chlimage_1-339

篩選模式

（必要） 一或多個社群頁面的路徑。例如，/content/sites/engage/(.*)。
快取控制最大使用時間

（必要） 要新增至「快取控制」標題的最大時間（以秒為單位）。值必須大於零(0)。

Dispatcher Client標頭

在dispatcher.any的/clientheaders區段中，如果列出特定標題集，則必須包含"CSRF-Token",啟用功能才能正常運作。

Dispatcher Filters

dispatcher.any檔案的/filter區段記錄在設定內容存取權- /filter中。

本節說明Communities功能正常運作可能需要的項目。

篩選器屬性名稱遵循使用四位數字來表示套用篩選模式順序的慣例。當多個篩選模式套用至請求時，套用的最後一個篩選模式會生效。因此，第一過濾模式通常被用來拒絕一切，以便以受控的方式恢復訪問。

以下示例使用可能需要修改的屬性名稱，以適合任何特定的dispatcher.any檔案。

另請參閱

Dispatcher Security Checklist

注意

屬性名稱範例
顯示的所有屬性名稱（如**/0050**和**/0170**）都應調整為適合現有dispatcher.any配置檔案。

應將下列條目添加到/filter節的結尾，尤其是在所有拒絕條目之後。

# design and template assets
/0050 { /type "allow" /glob "GET /etc/designs/*" }

# collected JS/CSS from the components and design
/0051 { /type "allow" /glob "GET /etc/clientlibs/*" }

# foundation search component - write stats
/0052 { /type "allow" /glob "GET /bin/statistics/tracker/*" }

# allow users to edit profile page
/0054 { /type "allow" /glob "* /home/users/*/*/profile.form.html*" }

# all profile data
/0057 { /type "allow" /glob "GET /home/users/*/profile/*" }

# required for social "Sign In" link.
/0059 { /type "allow" /glob "GET /etc/clientcontext/*" }

# required for "Sign Out" operation
/0063 { /type "allow" /glob "* /system/sling/logout*" }

# enable Facebook and Twitter signin
/0064 { /type "allow" /glob "GET /etc/cloudservices/*" }

# enable personalization
/0062 { /type "allow" /url "/libs/cq/personalization/*" }

# for Enablement features
/0170 { /type "allow" /url "/libs/granite/csrf/token.json*" }
/0171 { /type "allow" /glob "POST /content/sites/*/resources/en/*" }
/0172 { /type "allow" /glob "GET /content/communities/enablement/reports/*" }
/0173 { /type "allow" /glob "GET /content/sites/*" }
/0174 { /type "allow" /glob "GET /content/communities/scorm/*" }
/0175 { /type "allow" /url "GET /content/sites/*" }
/0176 { /type "allow" /url "GET /libs/granite/security/userinfo.json"}
/0177 { /type "allow" /url "GET /libs/granite/security/currentuser.json" }

# Enable CSRF token otherwise nothings works.
/5001 { /type "allow" /glob "GET /libs/granite/csrf/token.json *"}        
# Allow SCF User Model to bootstrap as it depends on the granite user
/5002 { /type "allow" /glob "GET /libs/granite/security/currentuser.json*" }
   
# Allow Communities Site Logout button work
/5003 { /type "allow" /glob "GET /system/sling/logout.html*" }
   
# Allow i18n to load correctly
/5004 { /type "allow" /glob "GET /libs/cq/i18n/dict.en.json *" }

# Allow social json get pattern.
/6002 { /type "allow" /glob "GET *.social.*.json*" }
   
# Allow loading of templates
/6003 { /type "allow" /glob "GET /services/social/templates*" }
   
# Allow SCF User model to check moderator rules
/6005 { /type "allow" /glob "GET /services/social/getLoggedInUser?moderatorCheck=*" }
   
# Allow CKEditor to load which uses a query pattern not sufficed by regular glob above.
/6006 { /type "allow" /glob "GET /etc/clientlibs/social/thirdparty/ckeditor/*.js?t=*" }
/6007 { /type "allow" /glob "GET /etc/clientlibs/social/thirdparty/ckeditor/*.css?t=*" }
   
# Allow Fonts from Communities to load
/6050 { /type "allow" /glob "GET *.woff *" }
/6051 { /type "allow" /glob "GET *.ttf *" }

# Enable CQ Security checkpoint for component guide.
/7001 { /type "allow" /glob "GET /libs/cq/security/userinfo.json?cq_ck=*"

Dispatcher Rules

dispatcher.any的規則區段定義應根據請求的URL快取哪些回應。對於「社群」，規則區段用於定義不應快取的項目。

# Never cache the client-side .social.json calls
/0001 { /type "deny" /glob "*.social.json*" }

# Never cache the user-specific .json requests
/0002 { /type "deny" /glob "/libs/granite/csrf/token.json*" }
/0003 { /type "deny" /glob "/libs/granite/security/currentuser.json*" }
/0004 { /type "deny" /glob "/libs/granite/security/userinfo.json*" }

# Never cache the private community groups pages in case - add your own deny rules in there
/0005 { /type "deny" /glob "/content/*/groups/*" }

# Never cache the assignments page in case the Enablement feature is in use - add your own deny rules in there
/0006 { /type "deny" /glob "/content/*/assignments/*" }

# Never cache user generated content
/0208 { /type "deny" /glob "/content/usergenerated/*" }

疑難排解

問題的主要來源是插入篩選規則，而不會注意對舊規則的影響，尤其是新增規則以拒絕存取時。

第一個過濾器模式通常用於拒絕所有內容，以便後續過濾器以受控方式恢復訪問。當多個篩選套用至請求時，套用的最後一個篩選是有效的。

dispatcher.any示例

以下是包含Communities /filters和/rules的範例dispatcher.any檔案。

# Each farm configures a set of load balanced renders (i.e. remote servers)
/farms
  {
  # First farm entry
  /website 
    {  
    # Request headers that should be forwarded to the remote server.
    /clientheaders
      {
      # Forward all request headers that are end-to-end. If you want
      # to forward a specific set of headers, you'll have to list
      # them here.
      "*"
      }
      
    # Hostname globbing for farm selection (virtual domain addressing)
    /virtualhosts
      {
      # Entries will be compared against the "Host" request header
      # and an optional request URL prefix.
      #
      # Examples:
      #
      #   www.company.com
      #   intranet.*
      #   myhost:8888/mysite
      "*"
      }
      
    # The load will be balanced among these render instances
    /renders
      {
      /rend01
        {
        # Hostname or IP of the render
        /hostname "127.0.0.1"
        # Port of the render
        /port "4503"
        # Connect timeout in milliseconds, 0 to wait indefinitely
        # /timeout "0"
        }
      }
      
    # The filter section defines the requests that should be handled by the dispatcher.
    #
    # Entries can be either specified using globs, or elements of the request line:
    #
    # (1) globs will be compared against the entire request line, e.g.:
    #
    #     /0001 { /type "deny" /glob "* /index.html *" }
    #
    #   matches request "GET /index.html HTTP/1.1" but not "GET /index.html?a=b HTTP/1.1".
    #
    # (2) method/url/query/protocol will be compared againts the respective elements of
    #   the request line, e.g.:
    #
    #     /0001 { /type "deny" /method "GET" /url "/index.html" }
    #
    #   matches both "GET /index.html" and "GET /index.html?a=b HTTP/1.1".
    #
    # Note: specifying elements of the request line is the preferred method.
    /filter
      {
      # Deny everything first and then allow specific entries
      /0001 { /type "deny" /glob "*" }
      
      # Open consoles
#     /0011 { /type "allow" /url "/admin/*"  }  # allow servlet engine admin
#     /0012 { /type "allow" /url "/crx/*"    }  # allow content repository
#     /0013 { /type "allow" /url "/system/*" }  # allow OSGi console
        
      # Allow non-public content directories
#     /0021 { /type "allow" /url "/apps/*"   }  # allow apps access
#     /0022 { /type "allow" /url "/bin/*"    }
      /0023 { /type "allow" /url "/content*" }  # disable this rule to allow mapped content only
      
#     /0024 { /type "allow" /url "/libs/*"   }
#     /0025 { /type "deny"  /url "/libs/shindig/proxy*" } # if you enable /libs close access to proxy

#     /0026 { /type "allow" /url "/home/*"   }
#     /0027 { /type "allow" /url "/tmp/*"    }
#     /0028 { /type "allow" /url "/var/*"    }

      # Enable specific mime types in non-public content directories 
      /0041 { /type "allow" /url "*.css"   }  # enable css
      /0042 { /type "allow" /url "*.gif"   }  # enable gifs
      /0043 { /type "allow" /url "*.ico"   }  # enable icos
      /0044 { /type "allow" /url "*.js"    }  # enable javascript
      /0045 { /type "allow" /url "*.png"   }  # enable png
      /0046 { /type "allow" /url "*.swf"   }  # enable flash
      /0047 { /type "allow" /url "*.jpg"   }  # enable jpg
      /0048 { /type "allow" /url "*.jpeg"  }  # enable jpeg

      # Deny content grabbing
      /0081 { /type "deny"  /url "*.infinity.json" }
      /0082 { /type "deny"  /url "*.tidy.json"     }
      /0083 { /type "deny"  /url "*.sysview.xml"   }
      /0084 { /type "deny"  /url "*.docview.json"  }
      /0085 { /type "deny"  /url "*.docview.xml"  }
      
      /0086 { /type "deny"  /url "*.*[0-9].json" }
#     /0087 { /type "allow" /method "GET" /url "*.1.json" }  # allow one-level json requests

      # Deny query
   /0090 { /type "deny"  /url "*.query.json" }
   
      #######################################
      ## BEGIN: AEM COMMUNITITES ADDITIONS
   #######################################
   /0050 { /type "allow" /glob "GET /etc/designs/*" }  
   /0051 { /type "allow" /glob "GET /etc/clientlibs/*" }  
   /0052 { /type "allow" /glob "GET /bin/statistics/tracker/*" } 
   /0054 { /type "allow" /glob "* /home/users/*/*/profile.form.html*" } 
   /0057 { /type "allow" /glob "GET /home/users/*/profile/*" } 
   /0059 { /type "allow" /glob "GET /etc/clientcontext/*" }
   /0063 { /type "allow" /glob "* /system/sling/logout*" } 
   /0064 { /type "allow" /glob "GET /etc/cloudservices/*" } 
   /0062 { /type "allow" /url "/libs/cq/personalization/*"  }  # enable personalization

   # For Enablement features
   /0170 { /type "allow" /url "/libs/granite/csrf/token.json*" }
   /0171 { /type "allow" /glob "POST /content/sites/*/resources/en/*" }
   /0172 { /type "allow" /glob "GET /content/communities/enablement/reports/*" }
   /0173 { /type "allow" /glob "GET /content/sites/*" }
   /0174 { /type "allow" /glob "GET /content/communities/scorm/*" }
   /0175 { /type "allow" /url "GET /content/sites/*" }
   /0176 { /type "allow" /url "GET /libs/granite/security/userinfo.json"}
   /0177 { /type "allow" /url "GET /libs/granite/security/currentuser.json" }
 
      # Enable CSRF token otherwise nothings works.
   /5001 { /type "allow" /glob "GET /libs/granite/csrf/token.json *"}        
    
   # Allow SCF User Model to bootstrap as it depends on the granite user
   /5002 { /type "allow" /glob "GET /libs/granite/security/currentuser.json*" }
   
      # Allow Communities Site Logout button work
      /5003 { /type "allow" /glob "GET /system/sling/logout.html*" }
   
   # Allow i18n to load correctly
   /5004 { /type "allow" /glob "GET /libs/cq/i18n/dict.en.json *" }

   # Allow social json get pattern.
   /6002 { /type "allow" /glob "GET *.social.*.json*" }
   
   # Allow loading of templates
   /6003 { /type "allow" /glob "GET /services/social/templates*" }
   
   # Allow SCF User model to check moderator rules
   /6005 { /type "allow" /glob "GET /services/social/getLoggedInUser?moderatorCheck=*" }
   
   # Allow CKEditor to load which uses a query pattern not sufficed by regular glob above.
   /6006 { /type "allow" /glob "GET /etc/clientlibs/social/thirdparty/ckeditor/*.js?t=*" }
   /6007 { /type "allow" /glob "GET /etc/clientlibs/social/thirdparty/ckeditor/*.css?t=*" }
   
   # Allow Fonts from Communities to load
   /6050 { /type "allow" /glob "GET *.woff *" }
   /6051 { /type "allow" /glob "GET *.ttf *" }

      # Enable CQ Security checkpoint for component guide.
   /7001 { /type "allow" /glob "GET /libs/cq/security/userinfo.json?cq_ck=*"}

      #######################################
      ## END: AEM COMMUNITITES ADDITIONS
   #######################################
      
      }

    # The cache section regulates what responses will be cached and where.
    /cache
      {
      # The docroot must be equal to the document root of the webserver. The
      # dispatcher will store files relative to this directory and subsequent
      # requests may be "declined" by the dispatcher, allowing the webserver
      # to deliver them just like static files.
      /docroot "/opt/dispatcher"

      # Sets the level upto which files named ".stat" will be created in the 
      # document root of the webserver. When an activation request for some 
      # page is received, only files within the same subtree are affected 
      # by the invalidation.
      #/statfileslevel "0"
      
      # Flag indicating whether to cache responses to requests that contain
      # authorization information.
      /allowAuthorized "1"
      
      # Flag indicating whether the dispatcher should serve stale content if
      # no remote server is available.
      #/serveStaleOnError "0"
      
      # The rules section defines what responses should be cached based on
      # the requested URL. Please note that only the following requests can
      # lead to cacheable responses:
      #
      # - HTTP method is GET
      # - URL has an extension
      # - Request has no query string
      # - Request has no "Authorization" header (unless allowAuthorized is 1)
      /rules
        {
        /0000
          {
          # the globbing pattern to be compared against the url
          # example: * -> everything
          #        : /foo/bar.* -> only the /foo/bar documents
          #        : /foo/bar/* -> all pages below /foo/bar
          #        : /foo/bar[./]* -> all pages below and /foo/bar itself
          #        : *.html        -> all .html files
          /glob "*"
          /type "allow"
          }

      #######################################
      ## BEGIN: AEM COMMUNITITES ADDITIONS
     #######################################   
    
   # Never cache the client-side .social.json calls
   /0001 { /type "deny" /glob "*.social.json*" }

   # Never cache the user-specific .json requests
   /0002 { /type "deny" /glob "/libs/granite/csrf/token.json*" }
   /0003 { /type "deny" /glob "/libs/granite/security/currentuser.json*" }
   /0004 { /type "deny" /glob "/libs/granite/security/userinfo.json*" }

   # Never cache the private community groups pages in case - add your own deny rules in there
   /0005 { /type "deny" /glob "/content/*/groups/*" }

   # Never cache the assignments page in case the enablement feature is in use - add your own deny rules in there
   /0006 { /type "deny" /glob "/content/*/assignments/*" }
     
      #######################################
      ## END: AEM COMMUNITITES ADDITIONS
      #######################################   
    
        }
        
      # The invalidate section defines the pages that are "invalidated" after
      # any activation. Please note that the activated page itself and all 
      # related documents are flushed on an modification. For example: if the 
      # page /foo/bar is activated, all /foo/bar.* files are removed from the
      # cache.
      /invalidate
        {
        /0000
          {
          /glob "*"
          /type "deny"
          }
        /0001
          {
          # Consider all HTML files stale after an activation.
          /glob "*.html"
          /type "allow"
          }
        /0002
          {
          /glob "/etc/segmentation.segment.js"
          /type "allow"
          }
        /0003
          {
          /glob "*/analytics.sitecatalyst.js"
          /type "allow"
          }
        }

      # The allowedClients section restricts the client IP addresses that are
      # allowed to issue activation requests.
      /allowedClients
        {
        # Uncomment the following to restrict activation requests to originate
        # from "localhost" only.
        #
        #/0000
        #  {
        #  /glob "*"
        #  /type "deny"
        #  }
        #/0001
        #  {
        #  /glob "127.0.0.1"
        #  /type "allow"
        #  }
        }
        
      # The ignoreUrlParams section contains query string parameter names that
      # should be ignored when determining whether some request's output can be
      # cached or delivered from cache.
      #
      # In this example configuration, the "q" parameter will be ignored. 
      #/ignoreUrlParams
      #  {
      #  /0001 { /glob "*" /type "deny" }
      #  /0002 { /glob "q" /type "allow" }
      #  }
      
    /enableTTL "1"

      }
      
    # The statistics sections dictates how the load should be balanced among the
    # renders according to the media-type. 
    /statistics
      {
      /categories
        {
        /html
          {
          /glob "*.html"
          }
        /others
          {
          /glob "*"
          }
        }
      }
    }
  }

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