sso rsa解码这块处理,因为php只能处理117个字节,所以要拆分开

app/controllers/ssos_controller.rb

@@ -55,10 +55,7 @@ class SsosController < ApplicationController
   end
 
   def parse(auth)
-    crypted_str = Base64.decode64(base64_safe(auth))
-    pkey = OpenSSL::PKey::RSA.new(File.new(File.join(Rails.root,"config/private.key")))
-    content = pkey.private_decrypt(crypted_str,OpenSSL::PKey::RSA::PKCS1_PADDING)
-    # content = pkey.private_decrypt(crypted_str)
+    content = decrypt(auth)
     ActiveSupport::JSON.decode(content)
   end
 
@@ -68,4 +65,20 @@ class SsosController < ApplicationController
     sso
   end
 
+  def decrypt(auth)
+    crypted_str = Base64.decode64(base64_safe(auth))
+    pkey = OpenSSL::PKey::RSA.new(File.new(File.join(Rails.root,"config/private.key")))
+
+    #to large
+    max_dec_len = 1024/8
+    size = (crypted_str.size + max_dec_len-1) / max_dec_len
+
+    content = ''
+    size.times do |time|
+      tmps =  crypted_str[time*max_dec_len, max_dec_len]
+      content += pkey.private_decrypt(tmps,OpenSSL::PKey::RSA::PKCS1_PADDING)
+    end
+    content
+  end
+
 end

app/models/sso.rb

@@ -1,3 +1,7 @@
+#coding=utf-8
+
+require 'base64'
+
 class Sso < ActiveRecord::Base
   belongs_to :user
   attr_accessible :email, :name, :openid, :password, :school, :sex, :user, :user_id
@@ -13,7 +17,7 @@ class Sso < ActiveRecord::Base
     sso.openid   = opt["openid"]
     sso.email    = opt["email"]
     sso.password = opt["password"]
-    sso.school   = opt["school"]
+    sso.school   = Base64.decode64(opt["school"]).force_encoding('utf-8')
     sso.sex      = opt["sex"]