Allow IMAP4 email receiving to skip SSL certificate verification with…

… `ssl=force` option (#41738).

Patch by Go MAEDA (user:maeda).


git-svn-id: https://svn.redmine.org/redmine/trunk@23415 e93f8b46-1217-0410-a6f0-8f06a7374b81

lib/redmine/imap.rb

@@ -25,7 +25,15 @@ class << self
       def check(imap_options={}, options={})
         host = imap_options[:host] || '127.0.0.1'
         port = imap_options[:port] || '143'
-        ssl = !imap_options[:ssl].nil?
+        if imap_options[:ssl]
+          if imap_options[:ssl] == 'force'
+            ssl = {verify_mode: OpenSSL::SSL::VERIFY_NONE}
+          else
+            ssl = {verify_mode: OpenSSL::SSL::VERIFY_PEER}
+          end
+        else
+          ssl = false
+        end
         starttls = !imap_options[:starttls].nil?
         folder = imap_options[:folder] || 'INBOX'
 

lib/tasks/email.rake

@@ -37,6 +37,8 @@ Available IMAP options:
   host=HOST                IMAP server host (default: 127.0.0.1)
   port=PORT                IMAP server port (default: 143)
   ssl=SSL                  Use SSL/TLS? (default: false)
+                           Setting `ssl=force` disables server certificate
+                           verification
   starttls=STARTTLS        Use STARTTLS? (default: false)
   username=USERNAME        IMAP account
   password=PASSWORD        IMAP password