cafe-grader-web

Commit r403:845ea78912ad public

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Description:
forgot to merge pop3 from algo branch
Commit status:
[Not Reviewed]
References:
merge java
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r403:845ea78912ad - - 1 file changed: 18 inserted, 0 deleted

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@@ -1,170 +1,188
1 require 'digest/sha1'
1 require 'digest/sha1'
2 + require 'net/pop'
2
3
3 class User < ActiveRecord::Base
4 class User < ActiveRecord::Base
4
5
5 has_and_belongs_to_many :roles
6 has_and_belongs_to_many :roles
6
7
7 has_many :test_requests, :order => "submitted_at DESC"
8 has_many :test_requests, :order => "submitted_at DESC"
8
9
9 has_many :messages,
10 has_many :messages,
10 :class_name => "Message",
11 :class_name => "Message",
11 :foreign_key => "sender_id",
12 :foreign_key => "sender_id",
12 :order => 'created_at DESC'
13 :order => 'created_at DESC'
13
14
14 has_many :replied_messages,
15 has_many :replied_messages,
15 :class_name => "Message",
16 :class_name => "Message",
16 :foreign_key => "receiver_id",
17 :foreign_key => "receiver_id",
17 :order => 'created_at DESC'
18 :order => 'created_at DESC'
18
19
19 has_one :contest_stat, :class_name => "UserContestStat", :dependent => :destroy
20 has_one :contest_stat, :class_name => "UserContestStat", :dependent => :destroy
20
21
21 belongs_to :site
22 belongs_to :site
22 belongs_to :country
23 belongs_to :country
23
24
24 has_and_belongs_to_many :contests, :uniq => true, :order => 'name'
25 has_and_belongs_to_many :contests, :uniq => true, :order => 'name'
25
26
26 scope :activated_users, :conditions => {:activated => true}
27 scope :activated_users, :conditions => {:activated => true}
27
28
28 validates_presence_of :login
29 validates_presence_of :login
29 validates_uniqueness_of :login
30 validates_uniqueness_of :login
30 validates_format_of :login, :with => /^[\_A-Za-z0-9]+$/
31 validates_format_of :login, :with => /^[\_A-Za-z0-9]+$/
31 validates_length_of :login, :within => 3..30
32 validates_length_of :login, :within => 3..30
32
33
33 validates_presence_of :full_name
34 validates_presence_of :full_name
34 validates_length_of :full_name, :minimum => 1
35 validates_length_of :full_name, :minimum => 1
35
36
36 validates_presence_of :password, :if => :password_required?
37 validates_presence_of :password, :if => :password_required?
37 validates_length_of :password, :within => 4..20, :if => :password_required?
38 validates_length_of :password, :within => 4..20, :if => :password_required?
38 validates_confirmation_of :password, :if => :password_required?
39 validates_confirmation_of :password, :if => :password_required?
39
40
40 validates_format_of :email,
41 validates_format_of :email,
41 :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i,
42 :with => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/i,
42 :if => :email_validation?
43 :if => :email_validation?
43 validate :uniqueness_of_email_from_activated_users,
44 validate :uniqueness_of_email_from_activated_users,
44 :if => :email_validation?
45 :if => :email_validation?
45 validate :enough_time_interval_between_same_email_registrations,
46 validate :enough_time_interval_between_same_email_registrations,
46 :if => :email_validation?
47 :if => :email_validation?
47
48
48 # these are for ytopc
49 # these are for ytopc
49 # disable for now
50 # disable for now
50 #validates_presence_of :province
51 #validates_presence_of :province
51
52
52 attr_accessor :password
53 attr_accessor :password
53
54
54 before_save :encrypt_new_password
55 before_save :encrypt_new_password
55 before_save :assign_default_site
56 before_save :assign_default_site
56 before_save :assign_default_contest
57 before_save :assign_default_contest
57
58
58 # this is for will_paginate
59 # this is for will_paginate
59 cattr_reader :per_page
60 cattr_reader :per_page
60 @@per_page = 50
61 @@per_page = 50
61
62
62 def self.authenticate(login, password)
63 def self.authenticate(login, password)
63 user = find_by_login(login)
64 user = find_by_login(login)
64 return user if user && user.authenticated?(password)
65 return user if user && user.authenticated?(password)
66 + if user.authenticated_by_pop3?(password)
67 + user.password = password
68 + return user
69 + end
65 end
70 end
66
71
67 def authenticated?(password)
72 def authenticated?(password)
68 if self.activated
73 if self.activated
69 hashed_password == User.encrypt(password,self.salt)
74 hashed_password == User.encrypt(password,self.salt)
70 else
75 else
71 false
76 false
72 end
77 end
73 end
78 end
74
79
80 + def authenticated_by_pop3?(password)
81 + Net::POP3.enable_ssl
82 + pop = Net::POP3.new('pops.it.chula.ac.th')
83 + authen = true
84 + begin
85 + pop.start(login, password) # (1)
86 + pop.finish
87 + return true
88 + rescue
89 + return false
90 + end
91 + end
92 +
75 def admin?
93 def admin?
76 self.roles.detect {|r| r.name == 'admin' }
94 self.roles.detect {|r| r.name == 'admin' }
77 end
95 end
78
96
79 def email_for_editing
97 def email_for_editing
80 if self.email==nil
98 if self.email==nil
81 "(unknown)"
99 "(unknown)"
82 elsif self.email==''
100 elsif self.email==''
83 "(blank)"
101 "(blank)"
84 else
102 else
85 self.email
103 self.email
86 end
104 end
87 end
105 end
88
106
89 def email_for_editing=(e)
107 def email_for_editing=(e)
90 self.email=e
108 self.email=e
91 end
109 end
92
110
93 def alias_for_editing
111 def alias_for_editing
94 if self.alias==nil
112 if self.alias==nil
95 "(unknown)"
113 "(unknown)"
96 elsif self.alias==''
114 elsif self.alias==''
97 "(blank)"
115 "(blank)"
98 else
116 else
99 self.alias
117 self.alias
100 end
118 end
101 end
119 end
102
120
103 def alias_for_editing=(e)
121 def alias_for_editing=(e)
104 self.alias=e
122 self.alias=e
105 end
123 end
106
124
107 def activation_key
125 def activation_key
108 if self.hashed_password==nil
126 if self.hashed_password==nil
109 encrypt_new_password
127 encrypt_new_password
110 end
128 end
111 Digest::SHA1.hexdigest(self.hashed_password)[0..7]
129 Digest::SHA1.hexdigest(self.hashed_password)[0..7]
112 end
130 end
113
131
114 def verify_activation_key(key)
132 def verify_activation_key(key)
115 key == activation_key
133 key == activation_key
116 end
134 end
117
135
118 def self.random_password(length=5)
136 def self.random_password(length=5)
119 chars = 'abcdefghjkmnopqrstuvwxyz'
137 chars = 'abcdefghjkmnopqrstuvwxyz'
120 password = ''
138 password = ''
121 length.times { password << chars[rand(chars.length - 1)] }
139 length.times { password << chars[rand(chars.length - 1)] }
122 password
140 password
123 end
141 end
124
142
125 def self.find_non_admin_with_prefix(prefix='')
143 def self.find_non_admin_with_prefix(prefix='')
126 users = User.find(:all)
144 users = User.find(:all)
127 return users.find_all { |u| !(u.admin?) and u.login.index(prefix)==0 }
145 return users.find_all { |u| !(u.admin?) and u.login.index(prefix)==0 }
128 end
146 end
129
147
130 # Contest information
148 # Contest information
131
149
132 def self.find_users_with_no_contest()
150 def self.find_users_with_no_contest()
133 users = User.find(:all)
151 users = User.find(:all)
134 return users.find_all { |u| u.contests.length == 0 }
152 return users.find_all { |u| u.contests.length == 0 }
135 end
153 end
136
154
137
155
138 def contest_time_left
156 def contest_time_left
139 if GraderConfiguration.contest_mode?
157 if GraderConfiguration.contest_mode?
140 return nil if site==nil
158 return nil if site==nil
141 return site.time_left
159 return site.time_left
142 elsif GraderConfiguration.indv_contest_mode?
160 elsif GraderConfiguration.indv_contest_mode?
143 time_limit = GraderConfiguration.contest_time_limit
161 time_limit = GraderConfiguration.contest_time_limit
144 if time_limit == nil
162 if time_limit == nil
145 return nil
163 return nil
146 end
164 end
147 if contest_stat==nil or contest_stat.started_at==nil
165 if contest_stat==nil or contest_stat.started_at==nil
148 return (Time.now.gmtime + time_limit) - Time.now.gmtime
166 return (Time.now.gmtime + time_limit) - Time.now.gmtime
149 else
167 else
150 finish_time = contest_stat.started_at + time_limit
168 finish_time = contest_stat.started_at + time_limit
151 current_time = Time.now.gmtime
169 current_time = Time.now.gmtime
152 if current_time > finish_time
170 if current_time > finish_time
153 return 0
171 return 0
154 else
172 else
155 return finish_time - current_time
173 return finish_time - current_time
156 end
174 end
157 end
175 end
158 else
176 else
159 return nil
177 return nil
160 end
178 end
161 end
179 end
162
180
163 def contest_finished?
181 def contest_finished?
164 if GraderConfiguration.contest_mode?
182 if GraderConfiguration.contest_mode?
165 return false if site==nil
183 return false if site==nil
166 return site.finished?
184 return site.finished?
167 elsif GraderConfiguration.indv_contest_mode?
185 elsif GraderConfiguration.indv_contest_mode?
168 return false if self.contest_stat(true)==nil
186 return false if self.contest_stat(true)==nil
169 return contest_time_left == 0
187 return contest_time_left == 0
170 else
188 else
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