fineuploader多部分導軌

我想要獲得多部分上載與軌道作爲服務器簽署請求。以下是代碼片段。 signature.endpoint是創建操作。fineuploader多部分導軌

require 'base64' 
require 'openssl' 
require 'digest/sha1' 
class WelcomeController < ApplicationController 
    skip_before_action :verify_authenticity_token 
    def success 
    render json: params 
    end 
    def index 
    end 
    def create 
    if(params[:headers]) 
     signature = OpenSSL::HMAC.digest(
     OpenSSL::Digest::Digest.new('sha1'), 
     key, 
     params[:headers].to_s).gsub("\n", "") 
     params[:signature]= signature 
    else 
    conditions = params[:conditions] 
    conds = [ 
     {"acl" => "private"}, 
     {"bucket" => conditions[1][:bucket]}, 
     {"Content-Type" => conditions[2]["Content-Type"]}, 
     {"success_action_status" => "200"}, 
     {"key" => conditions[4][:key]}, 
     {"x-amz-meta-qqfilename" => conditions[5]["x-amz-meta-qqfilename"]} 
     ] 
     policy = Base64.encode64({ "expiration" => params[:expiration], 
            "conditions" => conds 
           }.to_json). 
         gsub("\n","") 

     signature = Base64.encode64(
     OpenSSL::HMAC.digest(
     OpenSSL::Digest::Digest.new('sha1'), 
     key, policy) 
     ).gsub("\n","") 
    params[:signature]= signature 
    params[:policy] = policy 
    end 
    render :json => params, :status => 200 and return 
end 
end

這對文件<的工作很好，大小爲5MB，即if-else塊的一部分。但是，請求在文件大小> 5mb時未正確簽名。

請建議我在這裏錯過什麼。

來源

2015-04-21 user2307034

你只是佔一個政策文件。當文件大於5 MB時，它將被拆分爲塊，並使用S3分段上傳REST API。在這種情況下，一串標頭必須改爲簽名。有關更多詳細信息，請參見[分塊S3上載文檔中的章節]（http://docs.fineuploader.com/branch/master/endpoint_handlers/amazon-s3.html#chunked-uploads）。 –

我的壞處。如果size> 5mb，我錯過了base64編碼的結果。現在就試試。並在此更新。 – user2307034

當你得到你的代碼的工作，一定要作爲答案發布，然後接受你的答案。 –

溶液：

require 'base64' 
require 'openssl' 
require 'digest/sha1' 
class WelcomeController < ApplicationController 
    skip_before_action :verify_authenticity_token 
    def success 
    render json: params 
    end 
    def index 


    end 
    def create 
    if(params[:headers]) 
     logger.info params[:welcome][:headers] 
      signature = Base64.encode64(OpenSSL::HMAC.digest(
      OpenSSL::Digest::Digest.new('sha1'), 
      key, 
      params[:welcome][:headers])).gsub("\n", "") 
      params[:signature]= signature 
    else 
    conditions = params[:conditions] 
    conds = [ 
     {"acl" => "public-read"}, 
     {"bucket" => conditions[1][:bucket]}, 
     {"Content-Type" => conditions[2]["Content-Type"]}, 
     {"success_action_status" => "200"}, 
     {"key" => conditions[4][:key]}, 
     {"x-amz-meta-qqfilename" => conditions[5]["x-amz-meta-qqfilename"]} 
    ] 
    policy = Base64.encode64({ "expiration" => params[:expiration], 
             "conditions" => conds 
            }.to_json). 
          gsub("\n","") 
    signature = Base64.encode64(
    OpenSSL::HMAC.digest(
     OpenSSL::Digest::Digest.new('sha1'), 
     key, policy) 
    ).gsub("\n","") 
    params[:signature]= signature 
    params[:policy] = policy 
    end 
     logger.info signature 
     render :json => params, :status => 200 and return 
    end 
end

來源

2015-04-24 06:47:22 user2307034

fineuploader多部分導軌

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