Module: Fog::Storage::HP::Utils

Included in:
Mock, Real
Defined in:
lib/fog/hp/storage.rb

Instance Method Summary collapse

Instance Method Details

#cdn ⇒ Object 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
 
# File 'lib/fog/hp/storage.rb', line 49

def cdn
  unless @hp_cdn_uri.nil?
    @cdn ||= Fog::CDN.new(
      :provider       => 'HP',
      :hp_access_key  => @hp_access_key,
      :hp_secret_key  => @hp_secret_key,
      :hp_auth_uri    => @hp_auth_uri,
      :hp_cdn_uri     => @hp_cdn_uri,
      :hp_tenant_id   => @hp_tenant_id,
      :hp_avl_zone    => @hp_avl_zone,
      :credentials    => @credentials,
      :connection_options => @connection_options
    )
    if @cdn.enabled?
      @cdn
    end
  else
    nil
  end
end

#create_temp_url(container, object, expires, method, options = {}) ⇒ Object

creates a temporary url

Parameters

  • container<~String> - Name of container containing object

  • object<~String> - Name of object to get expiring url for

  • expires<~Time> - An expiry time for this url

  • method<~String> - The method to use for accessing the object (GET, PUT, HEAD)

  • scheme<~String> - The scheme to use (http, https)

  • options<~Hash> - An optional options hash

Returns

  • response<~Excon::Response>:

    • body<~String> - url for object

Raises:

  • (ArgumentError) 


206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
 
# File 'lib/fog/hp/storage.rb', line 206

def create_temp_url(container, object, expires, method, options = {})
  raise ArgumentError, "Insufficient parameters specified." unless (container && object && expires && method)

  # POST not allowed
  allowed_methods = %w{GET PUT HEAD}
  unless allowed_methods.include?(method)
    raise ArgumentError.new("Invalid method '#{method}' specified. Valid methods are: #{allowed_methods.join(', ')}")
  end

  expires        = expires.to_i
  scheme = options[:scheme] || @scheme

  # do not encode before signature generation, encode after
  sig_path = "#{@path}/#{container}/#{object}"
  encoded_path = "#{@path}/#{Fog::HP.escape(container)}/#{Fog::HP.escape(object)}"

  string_to_sign = "#{method}\n#{expires}\n#{sig_path}"

  signature = nil

  # HP uses a different strategy to create the signature that is passed to swift than OpenStack.
  # As the HP provider is broadly used by OpenStack users the OpenStack strategy is applied when
  # the @os_account_meta_temp_url_key is given.
  if @os_account_meta_temp_url_key then
    hmac      = OpenSSL::HMAC.new(@os_account_meta_temp_url_key, OpenSSL::Digest::SHA1.new)
    signature= hmac.update(string_to_sign).hexdigest
  else
    #Note if the value of the @hp_secret_key is really a password, this will NOT work
    #HP Public Cloud FormPost and Temporary URL hashing algorithms require the secret key NOT password.
    if Fog::HP.instance_variable_get("@hp_use_upass_auth_style")
      raise ArgumentError, "Temporary URLS cannot be generated unless you login via access_key/secret_key"
    end
    # Only works with 1.9+ Not compatible with 1.8.7
    #signed_string = Digest::HMAC.hexdigest(string_to_sign, @hp_secret_key, Digest::SHA1)

    # Compatible with 1.8.7 onwards
    hmac = OpenSSL::HMAC.new(@hp_secret_key, OpenSSL::Digest::SHA1.new)
    signed_string = hmac.update(string_to_sign).hexdigest

    signature     = @hp_tenant_id.to_s + ":" + @hp_access_key.to_s + ":" + signed_string
    signature     = Fog::HP.escape(signature)
  end

  # generate the temp url using the signature and expiry
  "#{scheme}://#{@host}#{encoded_path}?temp_url_sig=#{signature}&temp_url_expires=#{expires}"
end

#generate_object_temp_url(container, object, expires_secs, method) ⇒ Object

Get an object http url expiring in the given amount of seconds

Parameters

  • container<~String> - Name of container containing object

  • object<~String> - Name of object to get expiring url for

  • expires_secs<~Integer> - the amount of seconds from now until the url expires

Returns

  • response<~Excon::Response>:

    • body<~String> - url for object



188
189
190
191
 
# File 'lib/fog/hp/storage.rb', line 188

def generate_object_temp_url(container, object, expires_secs, method)
  expiration_time = (Time.now + expires_secs.to_i).to_i
  create_temp_url(container, object, expiration_time, method, {})
end

#get_object_http_url(container, object, expires, options = {}) ⇒ Object

Get an expiring object http url

Parameters

  • container<~String> - Name of container containing object

  • object<~String> - Name of object to get expiring url for

  • expires<~Time> - An expiry time for this url

Returns

  • response<~Excon::Response>:

    • body<~String> - url for object



174
175
176
 
# File 'lib/fog/hp/storage.rb', line 174

def get_object_http_url(container, object, expires, options = {})
  create_temp_url(container, object, expires, "GET", options.merge(:scheme => "http"))
end

#get_object_https_url(container, object, expires, options = {}) ⇒ Object

Get an expiring object https url

Parameters

  • container<~String> - Name of container containing object

  • object<~String> - Name of object to get expiring url for

  • expires<~Time> - An expiry time for this url

Returns

  • response<~Excon::Response>:

    • body<~String> - url for object



160
161
162
 
# File 'lib/fog/hp/storage.rb', line 160

def get_object_https_url(container, object, expires, options = {})
  create_temp_url(container, object, expires, "GET", options.merge(:scheme => "https"))
end

#header_to_perm_acl(read_header = nil, write_header = nil) ⇒ Object 



143
144
145
146
147
148
 
# File 'lib/fog/hp/storage.rb', line 143

def header_to_perm_acl(read_header=nil, write_header=nil)
  read_h, write_h = nil
  read_h = read_header.split(',') unless read_header.nil?
  write_h = write_header.split(',') unless write_header.nil?
  return read_h, write_h
end

#perm_acl_to_header(read_perm_acl, write_perm_acl) ⇒ Object 



129
130
131
132
133
134
135
136
137
138
139
140
141
 
# File 'lib/fog/hp/storage.rb', line 129

def perm_acl_to_header(read_perm_acl, write_perm_acl)
  header = {}
  if read_perm_acl.nil? && write_perm_acl.nil?
    header = {'X-Container-Read' => "", 'X-Container-Write' => ""}
  elsif !read_perm_acl.nil? && write_perm_acl.nil?
    header = {'X-Container-Read' => "#{read_perm_acl.join(',')}", 'X-Container-Write' => ""}
  elsif read_perm_acl.nil? && !write_perm_acl.nil?
    header = {'X-Container-Read' => "", 'X-Container-Write' => "#{write_perm_acl.join(',')}"}
  elsif !read_perm_acl.nil? && !write_perm_acl.nil?
    header = {'X-Container-Read' => "#{read_perm_acl.join(',')}", 'X-Container-Write' => "#{write_perm_acl.join(',')}"}
  end
  header
end

#perm_to_acl(perm, users = []) ⇒ Object 



88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
 
# File 'lib/fog/hp/storage.rb', line 88

def perm_to_acl(perm, users=[])
  read_perm_acl = []
  write_perm_acl = []
  valid_public_perms  = ['pr', 'pw', 'prw']
   = ['r', 'w', 'rw']
  valid_perms = valid_public_perms + 
  unless valid_perms.include?(perm)
    raise ArgumentError.new("permission must be one of [#{valid_perms.join(', ')}]")
  end
  # tackle the public access differently
  if valid_public_perms.include?(perm)
    case perm
      when "pr"
        read_perm_acl = [".r:*",".rlistings"]
      when "pw"
        write_perm_acl = ["*"]
      when "prw"
        read_perm_acl = [".r:*",".rlistings"]
        write_perm_acl = ["*"]
    end
  elsif .include?(perm)
    # tackle the user access differently
    unless (users.nil? || users.empty?)
      # return the correct acls
      tenant_id = "*"  # this might change later
      acl_array = users.map { |u| "#{tenant_id}:#{u}" }
      #acl_string = acl_array.join(',')
      case perm
        when "r"
          read_perm_acl = acl_array
        when "w"
          write_perm_acl = acl_array
        when "rw"
          read_perm_acl = acl_array
          write_perm_acl = acl_array
      end
    end
  end
  return read_perm_acl, write_perm_acl
end

#public_url(container = nil, object = nil) ⇒ Object 



74
75
76
77
78
79
80
81
82
83
84
85
86
 
# File 'lib/fog/hp/storage.rb', line 74

def public_url(container=nil, object=nil)
  public_url = nil
  unless container.nil?
    if object.nil?
      # return container public url
      public_url = "#{url}/#{Fog::HP.escape(container)}"
    else
      # return object public url
      public_url = "#{url}/#{Fog::HP.escape(container)}/#{Fog::HP.escape(object)}"
    end
  end
  public_url
end

#url ⇒ Object 



70
71
72
 
# File 'lib/fog/hp/storage.rb', line 70

def url
  "#{@scheme}://#{@host}:#{@port}#{@path}"
end