我正在尝试让carrierwave 与S3 一起工作，但我收到了一个签名不匹配错误。奇怪的是，carrierwave 似乎没有发送正确的密钥。在错误中，帖子给出为：
"Authorization"=>"AWS AKIAIOLWQKSJFH6E3I5Q:vKgyAw2z4c8zzqGWoxLUbw7I5oI="
我认为应该是我的公钥：私钥。问题是 vKgyAw2z4c8zzqGWoxLUbw7I5oI= 不是我存储在fog.rb 中的私钥。那正确吗？
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请求/响应：
request => {:chunk_size=>1048576, :connect_timeout=>60, :headers=>{"Content-Length"=>1557, "Content-Type"=>"image/
gif", "x-amz-acl"=>"public-read", "Date"=>"Wed, 24 Oct 2012 12:45:17 +0000", "Authorization"=>"AWS AKIAIOLWQKSJFH6E3
I5Q:vKgyAw2z4c8zzqGWoxLUbw7I5oI=", "Host"=>"s3.amazonaws.com:443"}, :instrumentor_name=>"excon", :mock=>false, :nonb
lock=>true, :read_timeout=>60, :retry_limit=>4, :ssl_ca_file=>"/home/tim/.rvm/gems/ruby-1.9.3-p194/gems/excon-0.16.5
/data/cacert.pem", :ssl_verify_peer=>true, :write_timeout=>60, :host=>"myeasybnb.s3.amazonaws.com", :host_port=>"s3.
amazonaws.com:443", :path=>"/images%2Fb1bb6639-dc08-4981-9a9b-7175093ac970.gif", :port=>"443", :query=>nil, :scheme=
>"https", :body=>#<File:/home/tim/Dropbox/myeasybnb/tmp/uploads/20121024-0845-20225-1170/240x240.gif>, :expects=>200
, :idempotent=>true, :method=>"PUT"}
response => #<Excon::Response:0xa7a1098 @body="<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Error><Code>SignatureD
oesNotMatch</Code><Message>The request signature we calculated does not match the signature you provided. Check your
key and signing method.</Message>
雾.rb：
CarrierWave.configure do |config|
config.fog_credentials = {
:provider => 'AWS', # required
:aws_access_key_id => 'AKIAIOLWQKSJFH6E3I5Q', # required
:aws_secret_access_key => '[my secret key]' # required
}
config.fog_directory = 'myeasybnb' # required
config.fog_public = true # optional, defaults to true
end
上传者.rb：
# encoding: utf-8
class PhotoUploader < CarrierWave::Uploader::Base
# Include RMagick or MiniMagick support:
# include CarrierWave::RMagick
include CarrierWave::MiniMagick
# Include the Sprockets helpers for Rails 3.1+ asset pipeline compatibility:
include Sprockets::Helpers::RailsHelper
include Sprockets::Helpers::IsolatedHelper
# Choose what kind of storage to use for this uploader:
# storage :file
storage :fog
# Override the directory where uploaded files will be stored.
# This is a sensible default for uploaders that are meant to be mounted:
def store_dir
"images"
end
# Provide a default URL as a default if there hasn't been a file uploaded:
class MyUploader < CarrierWave::Uploader::Base
def default_url
asset_path("seeds/" + [version_name, "default.png"].compact.join('_'))
end
end
# Process files as they are uploaded:
# process :scale => [200, 300]
#
# Create different versions of your uploaded files:
process :convert => 'jpg'
version :sidecarousel, :if => :is_side_carousel? do
process :resize_to_fit => [2000,1000]
end
version :thumbnail, :if => :is_thumbnail? do
process :resize_to_fill => [240,240]
end
version :linetext, :if => :is_line? do
process :resize_to_fill => [400,200]
end
version :carousel, :if => :is_carousel? do
process :resize_to_fit => [2200, 1000]
end
version :phone do
process :resize_to_fit => [900,900]
end
# def scale(width, height)
# # do something
# end
def is_side_carousel? photo
model.location == 1
end
def is_thumbnail? photo
model.location == 2
end
def is_line? photo
model.location == 3
end
def is_carousel? photo
model.location == 4
end
# Add a white list of extensions which are allowed to be uploaded.
# For images you might use something like this:
def extension_white_list
%w(jpg jpeg gif png)
end
# Override the filename of the uploaded files:
# Avoid using model.id or version_name here, see uploader/store.rb for details.
def filename
file.nil? ? @filename = nil : @filename = "#{secure_token}.#{file.extension}"
end
def secure_token
var = :"@#{mounted_as}_secure_token"
model.instance_variable_get(var) or model.instance_variable_set(var, SecureRandom.uuid)
end
def cache_dir
"#{Rails.root}/tmp/uploads"
end
end