Init commit

.gitignore

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+/.bundle/
+/.yardoc
+/Gemfile.lock
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/
+*.bundle
+*.so
+*.o
+*.a
+mkmf.log

Gemfile

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+source 'https://ruby.taobao.org'
+
+gemspec

LICENSE.txt

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+Copyright (c) 2014 jsvisa
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Upyun
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+```ruby
+gem 'upyun'
+```
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install upyun
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Contributing
+
+1. Fork it ( https://github.com/[my-github-username]/upyun/fork )
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create a new Pull Request

Rakefile

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+require "bundler/gem_tasks"
+

lib/upyun.rb

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+require 'upyun/version'
+require 'upyun/rest'
+require 'upyun/form'
+
+module UpYun
+  DOMAIN = 'api.upyun.com'
+  ED_AUTO = "v0.#{DOMAIN}"
+  ED_LIST = (0..3).map { |e| "v#{e}.#{DOMAIN}" }
+end

lib/upyun/form.rb

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+# encoding: utf-8
+require 'restclient'
+require 'digest/md5'
+require 'base64'
+require 'json'
+
+module UpYun
+  class Form
+    VALID_PARAMS = %i(
+      bucket
+      save-key
+      expiration
+      allow-file-type
+      content-length-range
+      content-md5
+      content-secret
+      content-type
+      image-width-range
+      image-height-range
+      notify-url
+      return-url
+      x-gmkerl-thumbnail
+      x-gmkerl-type
+      x-gmkerl-value
+      x-gmkerl-quality
+      x-gmkerl-unsharp
+      x-gmkerl-rotate
+      x-gmkerl-crop
+      x-gmkerl-exif-switch
+      ext-param
+    )
+
+    attr_accessor :endpoint, :bucket, :password
+
+    def initialize(password, opts)
+      @password = password
+      @endpoint = ED_AUTO
+      raise ArgumentError, "bucket must be assigned" unless opts.key?(:bucket)
+      @bucket = opts[:bucket]
+      @opts = opts.dup
+      @opts[:"save-key"] = opts[:"save-key"] || opts[:save_key] || '/{year}/{mon}/{day}/{filename}{.suffix}'
+      @opts[:expiration] = opts[:expiration] || Time.now.to_i + 600
+    end
+
+    def endpoint=(ep)
+      raise ArgumentError, "Valid endpoint are #{UpYun::ED_LIST}" unless UpYun::ED_LIST.member?(ep)
+      @endpoint = ep
+    end
+
+    def upload(file, opts={})
+      opts = @opts.merge(opts)
+      payload = {policy: policy(opts), signature: signature, file: File.new(file, "rb")}
+      RestClient.post("http://#{@endpoint}/#{@bucket}", payload) do |res|
+        body = JSON.parse(res.body, symbolize_names: true)
+
+        # UpYun have a small bug for the code, we have to adjust it to integer
+        body[:code] = body[:code].to_i
+        body
+      end
+    end
+
+    private
+      def policy(opts)
+        @_policy = Base64.encode64(policy_json(opts))
+      end
+
+      def signature
+        Digest::MD5.hexdigest("#{@_policy}&#{@password}")
+      end
+
+      def policy_json(opts)
+        policies = VALID_PARAMS.reduce({}) do |memo, e|
+          (v = opts[e]) ? memo.merge!({e => v}) : memo
+        end
+        policies.to_json
+      end
+  end
+end

lib/upyun/rest.rb

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+# encoding: utf-8
+require 'restclient'
+require 'digest/md5'
+require 'uri'
+
+module UpYun
+  class Rest
+    attr_accessor :endpoint
+
+    def initialize(bucket, username, password, endpoint=nil)
+      @bucket = bucket
+      @username = username
+      @password = md5(password)
+      @endpoint = endpoint || UpYun::ED_AUTO
+    end
+
+    def endpoint=(ep)
+      raise ArgumentError, "Valid endpoint are #{UpYun::ED_LIST}" unless UpYun::ED_LIST.member?(ep)
+      @endpoint = ep
+    end
+
+    def put(path, file, headers={})
+      raise ArgumentError, "'file' is not an instance of String" unless file.is_a?(String)
+      headers = headers.merge({"mkdir" => true}) unless headers.key?("mkdir")
+      options = if File.file?(file)
+                  {body: File.read(file), length: File.size(file), headers: headers}
+                else
+                  {body: file, length: file.length, headers: headers}
+                end
+
+      request(:put, path, options)
+    end
+
+    def get(path, savepath=nil)
+      res = request(:get, path)
+      return res if res.is_a?(Hash)
+
+      savepath ? File.write(savepath, res) : res
+    end
+
+    def delete(path)
+      request(:delete, path)
+    end
+
+    def mkdir(path, auto=true)
+      request(:post, path, {headers: {folder: true, mkdir: auto}})
+    end
+
+    def getlist(path="/")
+      res = request(:get, path)
+      return res if res.is_a?(Hash)
+      res.split("\n").map do |f|
+        attrs = f.split("\t")
+        {
+          name: attrs[0],
+          type: attrs[1] == "N" ? :file : :folder,
+          length: attrs[2].to_i,
+          last_modified: attrs[3].to_i
+        }
+      end
+    end
+
+    def usage(path="/")
+      res = request(:get, path, {params: "usage"})
+      return res if res.is_a?(Hash)
+
+      # RestClient has a bug, body.to_i returns the code instead of body,
+      # see more on https://github.com/rest-client/rest-client/pull/103
+      res.dup.to_i
+    end
+
+    private
+
+      def res_msg(res)
+        return true if res.respond_to?(:code) and res.code == 200
+        res
+      end
+
+      def fullpath(path)
+        "/#{@bucket}#{URI.encode(URI.decode(path[0] == '/' ? path : '/' + path))}"
+      end
+
+      def encode(fullpath, params)
+        URI.join("http://#{@endpoint}", fullpath, params.nil? ? '' : '?' + params).to_s
+      end
+
+      def request(method, path, options={})
+        fullpath = fullpath(path)
+        url = encode(fullpath, options[:params])
+        headers = options[:headers] || {}
+        date = gmdate
+        length = options[:length] || 0
+        headers.merge!({
+          'Date' => date,
+          'Authorization' => sign(method, date, fullpath, length)
+        })
+
+        if [:post, :patch, :put].include? method
+          RestClient.send(method, url, options[:body].nil? ? "" : options[:body], headers) do |res|
+            case res.code
+            when 200
+              true
+            else
+              {error: {code: res.code, msg: res.body}}
+            end
+          end
+        else
+          RestClient.send(method, url, headers) do |res|
+            case res.code
+            when 200
+              method == :get ? res.body : true
+            else
+              {error: {code: res.code, msg: res.body}}
+            end
+          end
+        end
+      end
+
+      def gmdate
+        Time.now.utc.strftime('%a, %d %b %Y %H:%M:%S GMT')
+      end
+
+      def sign(method, date, path, length)
+        sign = "#{method.to_s.upcase}&#{path}&#{date}&#{length}&#{@password}"
+        "UpYun #{@username}:#{md5(sign)}"
+      end
+
+      def md5(str)
+        Digest::MD5.hexdigest(str)
+      end
+  end
+end

lib/upyun/version.rb

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+module UpYun
+  VERSION = "0.0.1"
+end

spec/spec_helper.rb

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+require 'rubygems'
+require 'rspec'
+require 'bundler/setup'
+
+$LOAD_PATH.unshift(File.dirname(__FILE__))
+$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
+
+require 'upyun'