Deprecate swift-temp-url

python-swiftclient includes an improved and tested method to generate
tempurls. The command syntax is essentially the same, therefore we can
deprecate this one by importing that method.

python-swiftclient is not added as a requirement; if the import fails
due to a missing swiftclient module it will just raise a deprecation
warning.

Closes-Bug: #1607523
Closes-Bug: #1607519

Change-Id: Ifa8bf636f20f82db4845b02d1b58699edaa39356

bin/swift-temp-url

@@ -13,64 +13,19 @@
 # limitations under the License.
 
 from __future__ import print_function
-import hmac
-from hashlib import sha1
-from os.path import basename
+from gettext import gettext as _
 from sys import argv, exit, stderr
-from time import time
-
-from six.moves import urllib
 
 
 if __name__ == '__main__':
-    if len(argv) < 5:
-        prog = basename(argv[0])
-        print('Syntax: %s <method> <seconds> <path> <key>' % prog)
-        print()
-        print('Where:')
-        print('  <method>   The method to allow; GET for example.')
-        print('  <seconds>  The number of seconds from now to allow requests.')
-        print('  <path>     The full path to the resource.')
-        print('             Example: /v1/AUTH_account/c/o')
-        print('  <key>      The X-Account-Meta-Temp-URL-Key for the account.')
-        print()
-        print('Example output:')
-        print('    /v1/AUTH_account/c/o?temp_url_sig=34d49efc32fe6e3082e411e'
-              'eeb85bd8a&temp_url_expires=1323482948')
-        print()
-        print('This can be used to form a URL to give out for the access ')
-        print('allowed. For example:')
-        print('    echo \\"https://swift-cluster.example.com`%s GET 60 '
-              '/v1/AUTH_account/c/o mykey`\\"' % prog)
-        print()
-        print('Might output:')
-        print('    "https://swift-cluster.example.com/v1/AUTH_account/c/o?'
-              'temp_url_sig=34d49efc32fe6e3082e411eeeb85bd8a&'
-              'temp_url_expires=1323482948"')
-        exit(1)
-    method, seconds, path, key = argv[1:5]
+    argv[0:1] = ['swift', 'tempurl']
+    print("", file=stderr)
+    print(_("NOTE: This command is deprecated and will be removed "
+          "in the future. Please use 'swift tempurl' instead."), file=stderr)
+    print("", file=stderr)
     try:
-        expires = int(time() + int(seconds))
-    except ValueError:
-        expires = 0
-    if expires < 1:
-        print('Please use a positive <seconds> value.')
+        from swiftclient.shell import main
+    except ImportError:
+        print(_("ERROR: python-swiftclient not installed."), file=stderr)
         exit(1)
-    parts = path.split('/', 4)
-    # Must be five parts, ['', 'v1', 'a', 'c', 'o'], must be a v1 request, have
-    # account, container, and object values, and the object value can't just
-    # have '/'s.
-    if len(parts) != 5 or parts[0] or parts[1] != 'v1' or not parts[2] or \
-            not parts[3] or not parts[4].strip('/'):
-        stderr.write(
-            'WARNING: "%s" does not refer to an object '
-            '(e.g. /v1/account/container/object).\n' % path)
-        stderr.write(
-            'WARNING: Non-object paths will be rejected by tempurl.\n')
-    if '--quoted' in argv[5:]:
-        real_path = urllib.parse.unquote(path)
-    else:
-        real_path = path
-    sig = hmac.new(key, '%s\n%s\n%s' % (method, expires, real_path),
-                   sha1).hexdigest()
-    print('%s?temp_url_sig=%s&temp_url_expires=%s' % (path, sig, expires))
+    exit(main(argv))