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module Fog
module AWS
class Storage
module PostObjectHiddenFields
# Get a hash of hidden fields for form uploading to S3, in the form {:field_name => :field_value}
# Form should look like: <form action="http://#{bucket_name}.s3.amazonaws.com/" method="post" enctype="multipart/form-data">
# These hidden fields should then appear, followed by a field named 'file' which is either a textarea or file input.
#
# @param options Hash:
# @option options acl [String] access control list, in ['private', 'public-read', 'public-read-write', 'authenticated-read', 'bucket-owner-read', 'bucket-owner-full-control']
# @option options Cache-Control [String] same as REST header
# @option options Content-Type [String] same as REST header
# @option options Content-Disposition [String] same as REST header
# @option options Content-Encoding [String] same as REST header
# @option options Expires same as REST header
# @option options key key for object, set to '${filename}' to use filename provided by user
# @option options policy security policy for upload
# @option options success_action_redirect url to redirct to upon success
# @option options success_action_status status code to return on success, in [200, 201, 204]
# @option options x-amz-security token devpay security token
# @option options x-amz-meta... meta data tags
#
# @see http://docs.amazonwebservices.com/AmazonS3/latest/dev/HTTPPOSTForms.html
#
def post_object_hidden_fields(options = {})
options = options.dup
if policy = options['policy']
date = Fog::Time.now
credential = "#{@aws_access_key_id}/#{@signer.credential_scope(date)}"
extra_conditions = [
{'x-amz-date' => date.to_iso8601_basic},
{'x-amz-credential' => credential},
{'x-amz-algorithm' => Fog::AWS::SignatureV4::ALGORITHM}
]
extra_conditions << {'x-amz-security-token' => @aws_session_token } if @aws_session_token
policy_with_auth_fields = policy.merge('conditions' => policy['conditions'] + extra_conditions)
options['policy'] = Base64.encode64(Fog::JSON.encode(policy_with_auth_fields)).gsub("\n", "")
options['X-Amz-Credential'] = credential
options['X-Amz-Date'] = date.to_iso8601_basic
options['X-Amz-Algorithm'] = Fog::AWS::SignatureV4::ALGORITHM
if @aws_session_token
options['X-Amz-Security-Token'] = @aws_session_token
end
options['X-Amz-Signature'] = @signer.derived_hmac(date).sign(options['policy']).unpack('H*').first
end
options
end
end
class Real
include PostObjectHiddenFields
end
class Mock
include PostObjectHiddenFields
end
end
end
end
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