Dodanie omyłkowo pominiętego API.

[wolnelektury.git] / apps / piston / models.py

diff --git a/apps/piston/models.py b/apps/piston/models.py
new file mode 100644 (file)
index 0000000..9c93af8
--- /dev/null
+++ b/apps/piston/models.py
@@ -0,0 +1,150 @@
+import urllib, time, urlparse
+
+# Django imports
+from django.db.models.signals import post_save, post_delete
+from django.db import models
+from django.contrib.auth.models import User
+from django.contrib import admin
+from django.core.mail import send_mail, mail_admins
+
+# Piston imports
+from managers import TokenManager, ConsumerManager, ResourceManager
+from signals import consumer_post_save, consumer_post_delete
+
+KEY_SIZE = 18
+SECRET_SIZE = 32
+VERIFIER_SIZE = 10
+
+CONSUMER_STATES = (
+    ('pending', 'Pending'),
+    ('accepted', 'Accepted'),
+    ('canceled', 'Canceled'),
+    ('rejected', 'Rejected')
+)
+
+def generate_random(length=SECRET_SIZE):
+    return User.objects.make_random_password(length=length)
+
+class Nonce(models.Model):
+    token_key = models.CharField(max_length=KEY_SIZE)
+    consumer_key = models.CharField(max_length=KEY_SIZE)
+    key = models.CharField(max_length=255)
+    
+    def __unicode__(self):
+        return u"Nonce %s for %s" % (self.key, self.consumer_key)
+
+admin.site.register(Nonce)
+
+class Consumer(models.Model):
+    name = models.CharField(max_length=255)
+    description = models.TextField()
+
+    key = models.CharField(max_length=KEY_SIZE)
+    secret = models.CharField(max_length=SECRET_SIZE)
+
+    status = models.CharField(max_length=16, choices=CONSUMER_STATES, default='pending')
+    user = models.ForeignKey(User, null=True, blank=True, related_name='consumers')
+
+    objects = ConsumerManager()
+        
+    def __unicode__(self):
+        return u"Consumer %s with key %s" % (self.name, self.key)
+
+    def generate_random_codes(self):
+        """
+        Used to generate random key/secret pairings. Use this after you've
+        added the other data in place of save(). 
+
+        c = Consumer()
+        c.name = "My consumer" 
+        c.description = "An app that makes ponies from the API."
+        c.user = some_user_object
+        c.generate_random_codes()
+        """
+        key = User.objects.make_random_password(length=KEY_SIZE)
+        secret = generate_random(SECRET_SIZE)
+
+        while Consumer.objects.filter(key__exact=key, secret__exact=secret).count():
+            secret = generate_random(SECRET_SIZE)
+
+        self.key = key
+        self.secret = secret
+        self.save()
+
+admin.site.register(Consumer)
+
+class Token(models.Model):
+    REQUEST = 1
+    ACCESS = 2
+    TOKEN_TYPES = ((REQUEST, u'Request'), (ACCESS, u'Access'))
+    
+    key = models.CharField(max_length=KEY_SIZE)
+    secret = models.CharField(max_length=SECRET_SIZE)
+    verifier = models.CharField(max_length=VERIFIER_SIZE)
+    token_type = models.IntegerField(choices=TOKEN_TYPES)
+    timestamp = models.IntegerField(default=long(time.time()))
+    is_approved = models.BooleanField(default=False)
+    
+    user = models.ForeignKey(User, null=True, blank=True, related_name='tokens')
+    consumer = models.ForeignKey(Consumer)
+    
+    callback = models.CharField(max_length=255, null=True, blank=True)
+    callback_confirmed = models.BooleanField(default=False)
+    
+    objects = TokenManager()
+    
+    def __unicode__(self):
+        return u"%s Token %s for %s" % (self.get_token_type_display(), self.key, self.consumer)
+
+    def to_string(self, only_key=False):
+        token_dict = {
+            'oauth_token': self.key, 
+            'oauth_token_secret': self.secret,
+            'oauth_callback_confirmed': 'true',
+        }
+
+        if self.verifier:
+            token_dict.update({ 'oauth_verifier': self.verifier })
+
+        if only_key:
+            del token_dict['oauth_token_secret']
+
+        return urllib.urlencode(token_dict)
+
+    def generate_random_codes(self):
+        key = User.objects.make_random_password(length=KEY_SIZE)
+        secret = generate_random(SECRET_SIZE)
+
+        while Token.objects.filter(key__exact=key, secret__exact=secret).count():
+            secret = generate_random(SECRET_SIZE)
+
+        self.key = key
+        self.secret = secret
+        self.save()
+        
+    # -- OAuth 1.0a stuff
+
+    def get_callback_url(self):
+        if self.callback and self.verifier:
+            # Append the oauth_verifier.
+            parts = urlparse.urlparse(self.callback)
+            scheme, netloc, path, params, query, fragment = parts[:6]
+            if query:
+                query = '%s&oauth_verifier=%s' % (query, self.verifier)
+            else:
+                query = 'oauth_verifier=%s' % self.verifier
+            return urlparse.urlunparse((scheme, netloc, path, params,
+                query, fragment))
+        return self.callback
+    
+    def set_callback(self, callback):
+        if callback != "oob": # out of band, says "we can't do this!"
+            self.callback = callback
+            self.callback_confirmed = True
+            self.save()
+        
+admin.site.register(Token)
+
+# Attach our signals
+post_save.connect(consumer_post_save, sender=Consumer)
+post_delete.connect(consumer_post_delete, sender=Consumer)