thr3ads.net - Rails - stack level too deep [Jun 2007]

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Hamid

2007-Jun-02 22:00 UTC

stack level too deep

Hello,

I am new in using Rails.
I want to implement a login system.
I got this error: stack level too deep

I have following methods:
  signup
  login

thanks a lot for your help

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jimtron

2007-Jun-02 22:02 UTC

head link

Re: stack level too deep

It''s hard to tell without looking at your code, but I''m
guessing that
you''re getting some sort of recursive function call; make sure that
your
before_filter is calling what it''s supposed to.

Hamid wrote:> Hello,
> 
> I am new in using Rails.
> I want to implement a login system.
> I got this error: stack level too deep
> 
> I have following methods:
>   signup
>   login
> 
> thanks a lot for your help

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Abdelhamid Najah

2007-Jun-02 22:07 UTC

head link

Re: stack level too deep

jimtron wrote:> It''s hard to tell without looking at your code, but I''m
guessing that
> you''re getting some sort of recursive function call; make sure
that your
> before_filter is calling what it''s supposed to.
> 
> Hamid wrote:
>> Hello,
>> 
>> I am new in using Rails.
>> I want to implement a login system.
>> I got this error: stack level too deep
>> 
>> I have following methods:
>>   signup
>>   login
>> 
>> thanks a lot for your help
Hello
this is my code:
thank you

class SecuredController < ApplicationController
  before_filter :authorize, :except => :login
def login
    case @request.method
    when :post
      if @session[:person] = Person.authenticate( @params[:person_name], 
params[:person_password])
        flash[''notice''] = "Anmeldung erfolgreich"
        #redirect_back_or_default :action => :signup
        #redirect_to :action => "welcome"
        @name = @params[:person_name]
      end
    end
  end

  def signup
    @person = Person.new(@params[:person])

    if @request.post? and @person.save
      @session[:person] = Person.authenticate( @person.name, 
@params[:person][:password])
      flash[''notice''] = "Registrierung erfolgreich"
      redirect_back_or_default :action => "welcome"
      #redirect_to :action => "welcome"
    end
  end

  def logout
    @session[:person] = nil
  end

  def welcome
  end

end

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Abdelhamid Najah

2007-Jun-02 22:15 UTC

head link

Re: stack level too deep

Abdelhamid Najah wrote:> jimtron wrote:
>> It''s hard to tell without looking at your code, but
I''m guessing that
>> you''re getting some sort of recursive function call; make sure
that your
>> before_filter is calling what it''s supposed to.
>> 
>> Hamid wrote:
>>> Hello,
>>> 
>>> I am new in using Rails.
>>> I want to implement a login system.
>>> I got this error: stack level too deep
>>> 
>>> I have following methods:
>>>   signup
>>>   login
>>> 
>>> thanks a lot for your help
> 
> Hello
> this is my code:
> thank you
> 
> class SecuredController < ApplicationController
>   before_filter :authorize, :except => :login
> def login
>     case @request.method
>     when :post
>       if @session[:person] = Person.authenticate( @params[:person_name], 
> params[:person_password])
>         flash[''notice''] = "Anmeldung
erfolgreich"
>         #redirect_back_or_default :action => :signup
>         #redirect_to :action => "welcome"
>         @name = @params[:person_name]
>       end
>     end
>   end
> 
>   def signup
>     @person = Person.new(@params[:person])
> 
>     if @request.post? and @person.save
>       @session[:person] = Person.authenticate( @person.name, 
> @params[:person][:password])
>       flash[''notice''] = "Registrierung
erfolgreich"
>       redirect_back_or_default :action => "welcome"
>       #redirect_to :action => "welcome"
>     end
>   end
> 
>   def logout
>     @session[:person] = nil
>   end
> 
>   def welcome
>   end
> 
> end
the model person it looks like:

require ''digest/sha1''

class Person < ActiveRecord::Base

  validates_presence_of :name
  validates_uniqueness_of :name

  attr_accessor :password_confirmation
  validates_confirmation_of :password

def validate
  errors.add_to_base("Missing password") if hashed_password.blank?
end

def self.authenticate(name, password)
  person = self.find_by_name(name)
  if person
    expected_password = encrypted_password(password, person.salt)
    if person.hashed_password != expected_password
      person = nil
    end
  end
end
#
# ''password'' is a virtual attribute
def password
  @password
end

def password=(pwd)
  @password = pwd
  return if pwd.blank?
  create_new_salt
  #self.hashed_password = Person.encrypted_password(self.password, 
self.salt)
  self.password = Person.encrypted_password(self.password, self.salt)
end

def create_new_salt
  self.salt = self.object_id.to_s + rand.to_s
end

private

def self.encrypted_password(password, salt)
  string_to_hash = password + "wibble" + salt #
''wibble'' makes it harder
to guess
  Digest::SHA1.hexdigest(string_to_hash)
end

@@salt = ''[ioaruoagr]''
cattr_accessor :salt

end

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Robert Walker

2007-Jun-03 02:19 UTC

head link

Re: stack level too deep

def password=(pwd)
  @password = pwd
  return if pwd.blank?
  create_new_salt
  #self.hashed_password = Person.encrypted_password(self.password,
self.salt)
  self.password = Person.encrypted_password(self.password, self.salt)
end

This method is calling itself on the last line.  Right before the
final "end."  It will continue to do this until it runs out of stack
space and your program crashes.

On Jun 2, 6:15 pm, Abdelhamid Najah
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> Abdelhamid Najah wrote:
> > jimtron wrote:
> >> It''s hard to tell without looking at your code, but
I''m guessing that
> >> you''re getting some sort of recursive function call; make
sure that your
> >> before_filter is calling what it''s supposed to.
>
> >> Hamid wrote:
> >>> Hello,
>
> >>> I am new in using Rails.
> >>> I want to implement a login system.
> >>> I got this error: stack level too deep
>
> >>> I have following methods:
> >>>   signup
> >>>   login
>
> >>> thanks a lot for your help
>
> > Hello
> > this is my code:
> > thank you
>
> > class SecuredController < ApplicationController
> >   before_filter :authorize, :except => :login
> > def login
> >     case @request.method
> >     when :post
> >       if @session[:person] = Person.authenticate(
@params[:person_name],
> > params[:person_password])
> >         flash[''notice''] = "Anmeldung
erfolgreich"
> >         #redirect_back_or_default :action => :signup
> >         #redirect_to :action => "welcome"
> >         @name = @params[:person_name]
> >       end
> >     end
> >   end
>
> >   def signup
> >     @person = Person.new(@params[:person])
>
> >     if @request.post? and @person.save
> >       @session[:person] = Person.authenticate( @person.name,
> > @params[:person][:password])
> >       flash[''notice''] = "Registrierung
erfolgreich"
> >       redirect_back_or_default :action => "welcome"
> >       #redirect_to :action => "welcome"
> >     end
> >   end
>
> >   def logout
> >     @session[:person] = nil
> >   end
>
> >   def welcome
> >   end
>
> > end
>
> the model person it looks like:
>
> require ''digest/sha1''
>
> class Person < ActiveRecord::Base
>
>   validates_presence_of :name
>   validates_uniqueness_of :name
>
>   attr_accessor :password_confirmation
>   validates_confirmation_of :password
>
> def validate
>   errors.add_to_base("Missing password") if
hashed_password.blank?
> end
>
> def self.authenticate(name, password)
>   person = self.find_by_name(name)
>   if person
>     expected_password = encrypted_password(password, person.salt)
>     if person.hashed_password != expected_password
>       person = nil
>     end
>   end
> end
> #
> # ''password'' is a virtual attribute
> def password
>   @password
> end
>
> def password=(pwd)
>   @password = pwd
>   return if pwd.blank?
>   create_new_salt
>   #self.hashed_password = Person.encrypted_password(self.password,
> self.salt)
>   self.password = Person.encrypted_password(self.password, self.salt)
> end
>
> def create_new_salt
>   self.salt = self.object_id.to_s + rand.to_s
> end
>
> private
>
> def self.encrypted_password(password, salt)
>   string_to_hash = password + "wibble" + salt #
''wibble'' makes it harder
> to guess
>   Digest::SHA1.hexdigest(string_to_hash)
> end
>
> @@salt = ''[ioaruoagr]''
> cattr_accessor :salt
>
> end
>
> --
> Posted viahttp://www.ruby-forum.com/.

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Rails - Jun 2007 - stack level too deep

stack level too deep

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Re: stack level too deep

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