#953 fixed errors with key dublicates; fix error messages; small refactoring;

app/models/ssh_key.rb

@@ -10,8 +10,9 @@ class SshKey < ActiveRecord::Base
   before_validation lambda { self.key = key.strip if key.present? }
   before_validation :set_fingerprint
 
-  validates :name, :presence => true, :length => {:maximum => 255}
+  validates :name, :length => {:maximum => 255}
-  validates :key, :presence => true, :length => {:maximum => 5000}, format: { :with => /ssh-.{3} / }, uniqueness: true
+  validates :key, :length => {:maximum => 5000}, format: { :with => /ssh-.{3} / } # Public key?
+  validates :fingerprint, uniqueness: true, :presence => { :message => I18n.t('activerecord.errors.ssh_key.wrong_key') }
 
   after_create :add_key
   before_destroy :remove_key
@@ -21,21 +22,29 @@ class SshKey < ActiveRecord::Base
   def set_fingerprint
     return false unless key
 
-    file = Tempfile.new('key_file')
+    file = Tempfile.new('key_file', "#{APP_CONFIG['root_path']}/tmp")
     begin
       file.puts key
       file.rewind
       fingerprint_output = `ssh-keygen -lf #{file.path} 2>&1` # Catch stderr.
+      exitstatus = $?.exitstatus
     ensure
       file.close
       file.unlink # deletes the temp file
     end
-    error_message = I18n.t('activerecord.errors.ssh_key.wrong_key')
+    if exitstatus != 0
-    if $?.exitstatus != 0
+      self.fingerprint = nil
-      errors.add :key, error_message
     else
-      self.fingerprint = fingerprint_output.split.try(:[], 1)
+      self.fingerprint = fingerprint_output.split.try :[], 1
-      errors.add(:key, error_message) if fingerprint.blank?
+      if name.blank?
+        s = fingerprint_output.split.try :[], 2
+        if File.exist? s # no identificator
+          start = key =~ /ssh-.{3} /
+          self.name = key[start..start+26] # taken first 26 characters
+        else
+          self.name = s
+        end
+      end
     end
   end
 

config/locales/models/ssh_key.en.yml

@@ -4,14 +4,14 @@ en:
   activerecord:
     errors:
       ssh_key:
-        wrong_key: Wrong public key
+        wrong_key: '^Wrong public key'
     models:
       ssh_key: SSH Key
     attributes:
       ssh_key:
         id: Id
         name: Name
-        fingerprint: Fingerprint
+        fingerprint: Key
         created_at: Created
         updated_at: Updated
         user_id: User

config/locales/models/ssh_key.ru.yml

@@ -4,14 +4,14 @@ ru:
   activerecord:
     errors:
       ssh_key:
-        wrong_key: Неправильный публичный ключ
+        wrong_key: '^Неправильный публичный ключ'
     models:
       ssh_key: SSH ключ
     attributes:
       ssh_key:
         id: Id
         name: Имя
-        fingerprint: Отпечаток
+        fingerprint: Ключ
         created_at: Создано
         updated_at: Обновлено
         user_id: Пользователь

db/migrate/20130227102900_create_ssh_keys.rb

@@ -1,7 +1,7 @@
 class CreateSshKeys < ActiveRecord::Migration
   def change
     create_table :ssh_keys do |t|
-      t.string :name, :null => false
+      t.string :name
       t.text :key, :null => false
       t.string :fingerprint, :null => false
       t.integer :user_id, :null => false
@@ -9,7 +9,7 @@ class CreateSshKeys < ActiveRecord::Migration
       t.timestamps
     end
 
-    add_index :ssh_keys, :key, :unique => true
+    add_index :ssh_keys, :fingerprint, :unique => true
     add_index :ssh_keys, :user_id
   end
 end

db/schema.rb

@@ -454,7 +454,7 @@ ActiveRecord::Schema.define(:version => 20130227102900) do
   end
 
   create_table "ssh_keys", :force => true do |t|
-    t.string   "name",        :null => false
+    t.string   "name"
     t.text     "key",         :null => false
     t.string   "fingerprint", :null => false
     t.integer  "user_id",     :null => false
@@ -462,7 +462,7 @@ ActiveRecord::Schema.define(:version => 20130227102900) do
     t.datetime "updated_at",  :null => false
   end
 
-  add_index "ssh_keys", ["key"], :name => "index_ssh_keys_on_key", :unique => true
+  add_index "ssh_keys", ["fingerprint"], :name => "index_ssh_keys_on_fingerprint", :unique => true
   add_index "ssh_keys", ["user_id"], :name => "index_ssh_keys_on_user_id"
 
   create_table "subscribes", :force => true do |t|