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annotate planemo/lib/python3.7/site-packages/boto/gs/encryptionconfig.py @ 0:d30785e31577 draft

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"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
author guerler
date Fri, 31 Jul 2020 00:18:57 -0400
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d30785e31577 "planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
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1 # Copyright 2018 Google Inc.
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2 #
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3 # Permission is hereby granted, free of charge, to any person obtaining a
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4 # copy of this software and associated documentation files (the
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5 # "Software"), to deal in the Software without restriction, including
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6 # without limitation the rights to use, copy, modify, merge, publish, dis-
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7 # tribute, sublicense, and/or sell copies of the Software, and to permit
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8 # persons to whom the Software is furnished to do so, subject to the fol-
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9 # lowing conditions:
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10 #
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11 # The above copyright notice and this permission notice shall be included
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12 # in all copies or substantial portions of the Software.
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13 #
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14 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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15 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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16 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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17 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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18 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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20 # IN THE SOFTWARE.
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21
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22 import types
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23 from boto.gs.user import User
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24 from boto.exception import InvalidEncryptionConfigError
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25 from xml.sax import handler
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26
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27 # Relevant tags for the EncryptionConfiguration XML document.
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28 DEFAULT_KMS_KEY_NAME = 'DefaultKmsKeyName'
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29 ENCRYPTION_CONFIG = 'EncryptionConfiguration'
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30
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31 class EncryptionConfig(handler.ContentHandler):
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32 """Encapsulates the EncryptionConfiguration XML document"""
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33 def __init__(self):
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34 # Valid items in an EncryptionConfiguration XML node.
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35 self.default_kms_key_name = None
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36
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37 self.parse_level = 0
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38
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39 def validateParseLevel(self, tag, level):
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40 """Verify parse level for a given tag."""
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41 if self.parse_level != level:
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42 raise InvalidEncryptionConfigError(
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43 'Invalid tag %s at parse level %d: ' % (tag, self.parse_level))
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44
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45 def startElement(self, name, attrs, connection):
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46 """SAX XML logic for parsing new element found."""
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47 if name == ENCRYPTION_CONFIG:
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48 self.validateParseLevel(name, 0)
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49 self.parse_level += 1;
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50 elif name == DEFAULT_KMS_KEY_NAME:
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51 self.validateParseLevel(name, 1)
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52 self.parse_level += 1;
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53 else:
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54 raise InvalidEncryptionConfigError('Unsupported tag ' + name)
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55
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56 def endElement(self, name, value, connection):
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57 """SAX XML logic for parsing new element found."""
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58 if name == ENCRYPTION_CONFIG:
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59 self.validateParseLevel(name, 1)
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60 self.parse_level -= 1;
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61 elif name == DEFAULT_KMS_KEY_NAME:
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62 self.validateParseLevel(name, 2)
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63 self.parse_level -= 1;
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64 self.default_kms_key_name = value.strip()
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65 else:
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66 raise InvalidEncryptionConfigError('Unsupported end tag ' + name)
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67
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68 def to_xml(self):
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69 """Convert EncryptionConfig object into XML string representation."""
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70 s = ['<%s>' % ENCRYPTION_CONFIG]
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71 if self.default_kms_key_name:
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72 s.append('<%s>%s</%s>' % (DEFAULT_KMS_KEY_NAME,
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73 self.default_kms_key_name,
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74 DEFAULT_KMS_KEY_NAME))
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75 s.append('</%s>' % ENCRYPTION_CONFIG)
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76 return ''.join(s)