Oops. Added actual files this time.

lib/database_sleuth.rb

@@ -0,0 +1,118 @@
+class DatabaseSleuth
+  attr_accessor :application, :locations, :exists_at, :located_at, :regex, :dbname, :dbuser, :dbpass, :dbhost, :dbtableprefix
+
+  @@supported_applications = [:joomla, :wordpress, :drupal, :phpbb, :gallery, :zencart, :mediawiki]
+
+  @@app_metadata = {}
+  @@app_metadata[:drupal] = {
+    :locations => ["sites/default/settings.php"],
+    :regex => {
+      :dbname => Regexp.new("^\\$db_url.*?\\/\\/.*?\\/(.*?)'"),
+      :dbuser => Regexp.new("^\\$db_url.*?\\/\\/(.*)?:.*?'"),
+      :dbpass => Regexp.new("^\\$db_url.*?\\/\\/.*?:(.*)?@.*?'"),
+      :dbhost => Regexp.new("^\\$db_url.*?\\/\\/.*?@(.*)?\\/.*?'"),
+    },
+  }
+  @@app_metadata[:gallery] = {
+    :locations => ["config.php"],
+    :regex => {
+      :dbname => Regexp.new("\\$storeConfig\\['database'.*?'(.*?)'"),
+      :dbuser => Regexp.new("\\$storeConfig\\['username'.*?'(.*?)'"),
+      :dbpass => Regexp.new("\\$storeConfig\\['password'.*?'(.*?)'"),
+      :dbhost => Regexp.new("\\$storeConfig\\['hostname'.*?'(.*?)'"),
+    },
+  }
+  @@app_metadata[:joomla] = {
+    :locations => ["configuration.php"],
+    :regex => {
+      :dbname => Regexp.new("\\$db\\s*=\\s*'(.*?)'"),
+      :dbuser => Regexp.new("\\$user\\s*=\\s*'(.*?)'"),
+      :dbpass => Regexp.new("\\$password\\s*=\\s*'(.*?)'"),
+      :dbhost => Regexp.new("\\$host\\s*=\\s*'(.*?)'"),
+    },
+  }
+  @@app_metadata[:mediawiki] = {
+    :locations => ["LocalSettings.php"],
+    :regex => {
+      :dbname => Regexp.new("\\$wgDBname\\s*=\\s*'(.*?)'"),
+      :dbuser => Regexp.new("\\$wgDBuser\\s*=\\s*'(.*?)'"),
+      :dbpass => Regexp.new("\\$wgDBpassword\\s*=\\s*'(.*?)'"),
+      :dbhost => Regexp.new("\\$wgDBserver\\s*=\\s*'(.*?)'"),
+    },
+  }
+  @@app_metadata[:phpbb] = {
+    :locations => ["config.php"],
+    :regex => {
+      :dbname => Regexp.new("dbname\\s*=\\s*'(.*?)'"),
+      :dbuser => Regexp.new("dbuser\\s*=\\s*'(.*?)'"),
+      :dbpass => Regexp.new("dbpasswd\\s*=\\s*'(.*?)'"),
+      :dbhost => Regexp.new("dbhost\\s*=\\s*'(.*?)'"),
+    },
+  }
+  @@app_metadata[:wordpress] = {
+    :locations => ["wp-config.php"],
+    :regex => {
+      :dbname => Regexp.new("DB_NAME'.*?'(.*?)'"),
+      :dbuser => Regexp.new("DB_USER'.*?'(.*?)'"),
+      :dbpass => Regexp.new("DB_PASSWORD'.*?'(.*?)'"),
+      :dbhost => Regexp.new("DB_HOST'.*?'(.*?)'"),
+      :dbtableprefix => Regexp.new("\\$table_prefix\\s*=\\s*'(.*?)'"),
+    },
+  }
+  @@app_metadata[:zencart] = {
+    :locations => ["includes/configure.php"],
+    :regex => {
+      :dbname => Regexp.new("DB_DATABASE'.*?'(.*?)'"),
+      :dbuser => Regexp.new("DB_SERVER_USERNAME'.*?'(.*?)'"),
+      :dbpass => Regexp.new("DB_SERVER_PASSWORD'.*?'(.*?)'"),
+      :dbhost => Regexp.new("DB_SERVER'.*?'(.*?)'"),
+    },
+  }
+
+  def initialize(app)
+    @exists_at = []
+    @dbname = nil
+    @dbuser = nil
+    @dbpass = nil
+    @dbhost = nil
+    self.application = app
+    self.locations = @@app_metadata[@application][:locations]
+    @regex = @@app_metadata[@application][:regex]
+  end
+
+  def application=(app)
+    a = String(app).downcase.to_sym
+    if @@supported_applications.include?(a)
+      instance_variable_set(:@application, a)
+    else
+      raise "That application is not supported yet."
+    end
+  end
+
+  def find_db_info
+    locate_files
+    @exists_at.each do |file|
+      File.foreach(file) do |line|
+        @dbname ||= @regex[:dbname].match(line)[1] if @regex[:dbname] === line
+        @dbuser ||= @regex[:dbuser].match(line)[1] if @regex[:dbuser] === line
+        @dbpass ||= @regex[:dbpass].match(line)[1] if @regex[:dbpass] === line
+        @dbhost ||= @regex[:dbhost].match(line)[1] if @regex[:dbhost] === line
+        @dbtableprefix ||= @regex[:dbtableprefix].match(line)[1] if @regex[:dbtableprefix] === line && @regex.has_key?(:dbtableprefix)
+        @located_at = file if @dbname
+      end
+    end
+  end
+
+  def manual_connection_string
+    "mysql -u #{@dbuser} -p#{@dbpass} -h #{@dbhost} #{@dbname}"
+  end
+
+  private
+    def locate_files
+      @locations.each do |loc|
+        if File.exists?(loc)
+          @exists_at << loc
+        end
+      end
+    end
+end

spec/database_sleuth_spec.rb

@@ -0,0 +1,7 @@
+require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
+
+describe "DatabaseSleuth" do
+  it "fails" do
+    fail "hey buddy, you should probably rename this file and start specing for real"
+  end
+end

spec/spec.opts

@@ -0,0 +1 @@
+--color

spec/spec_helper.rb

@@ -0,0 +1,10 @@
+$LOAD_PATH.unshift(File.dirname(__FILE__))
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+require 'rubygems'
+require 'database_sleuth'
+require 'spec'
+require 'spec/autorun'
+
+Spec::Runner.configure do |config|
+
+end