VRFS-2698 implemented site_validator

web/app/controllers/api_users_controller.rb

@@ -711,7 +711,7 @@ class ApiUsersController < ApiController
       url = Utils.username_url(data, site)
     end
     unless url.blank?
-      if errmsg = Utils.site_validator(url)
+      if errmsg = Utils.site_validator(url, site)
         render json: { message: 'Invalid Site', errors: { site: [errmsg] } }, status: 200
       else
         render json: { message: 'Valid Site' }, status: 200

web/lib/utils.rb

@@ -7,12 +7,14 @@ class Utils
     case site
     when 'youtube'
       "https://www.youtube.com/c/#{username}"
-    when 'facebook'  # 
+    when 'facebook'
       "https://www.facebook.com/#{username}"
-    when 'soundcloud'  # 
+    when 'soundcloud'
       "https://soundcloud.com/#{username}"
-    when 'bandcamp'  # 
+    when 'bandcamp'
       "http://#{username}.bandcamp.com"
+    when 'bandcamp-fan'
+      "http://bandcamp.com/#{username}"
     when 'fandalism'
       "http://fandalism.com/#{username}"
     when 'twitter'
@@ -24,8 +26,31 @@ class Utils
     end
   end
 
-  def self.site_validator(url)
-    result = `curl --output /dev/null --silent --head --fail --show-error '#{url}' 2>&1`.chomp
+  def self.site_validator(url, site=nil)
+    uagent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2227.1 Safari/537.36"
+    curl_args = "-A '#{uagent}' --silent --head --fail --show-error "
+    case site
+    when 'bandcamp'
+      cmd = "curl #{curl_args} '#{url}' 2>&1"
+      result = `#{cmd}`.chomp
+      if $?.success?
+        if /^HTTP\/\d+\.\d+ 2\d\d OK/ =~ result.lines[0]
+          return nil
+        else
+          if /http:\/\/(.*)\.bandcamp.com/ =~ url
+            return self.site_validator(self.username_url($1, 'bandcamp-fan'), 'bandcamp-fan')
+          end
+          return "Unrecognized url (#{url})"
+        end
+      else
+        result =~ /curl: \(\d+\) (.*)/
+        return "#{$1} (#{url})"
+      end
+    else
+      curl_args << "-L --output /dev/null "
+      cmd = "curl #{curl_args} '#{url}' 2>&1"
+      result = `#{cmd}`.chomp
+    end
     if $?.success?
       return nil
     else