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annotate env/lib/python3.7/site-packages/cwltool/secrets.py @ 3:758bc20232e8 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
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1 """Minimal in memory storage of secrets."""
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2 import uuid
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3 from typing import Any, Dict, List, MutableMapping, MutableSequence
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4
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5 from six import string_types
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6 from typing_extensions import Text # pylint: disable=unused-import
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7 # move to a regular typing import when Python 3.3-3.6 is no longer supported
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8
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9
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10 class SecretStore(object):
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11 """Minimal implementation of a secret storage."""
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12
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13 def __init__(self): # type: () -> None
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14 """Initialize the secret store."""
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15 self.secrets = {} # type: Dict[Text, Text]
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16
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17 def add(self, value): # type: (Text) -> Text
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18 """
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19 Add the given value to the store.
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20
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21 Returns a placeholder value to use until the real value is needed.
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22 """
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23 if not isinstance(value, string_types):
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24 raise Exception("Secret store only accepts strings")
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25
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26 if value not in self.secrets:
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27 placeholder = "(secret-%s)" % Text(uuid.uuid4())
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28 self.secrets[placeholder] = value
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29 return placeholder
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30 return value
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31
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32 def store(self, secrets, job):
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33 # type: (List[Text], MutableMapping[Text, Any]) -> None
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34 """Sanitize the job object of any of the given secrets."""
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35 for j in job:
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36 if j in secrets:
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37 job[j] = self.add(job[j])
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38
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39 def has_secret(self, value): # type: (Any) -> bool
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40 """Test if the provided document has any of our secrets."""
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41 if isinstance(value, string_types):
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42 for k in self.secrets:
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43 if k in value:
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44 return True
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45 elif isinstance(value, MutableMapping):
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46 for this_value in value.values():
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47 if self.has_secret(this_value):
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48 return True
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49 elif isinstance(value, MutableSequence):
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50 for this_value in value:
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51 if self.has_secret(this_value):
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52 return True
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53 return False
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54
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55 def retrieve(self, value): # type: (Any) -> Any
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56 """Replace placeholders with their corresponding secrets."""
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57 if isinstance(value, string_types):
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58 for key, this_value in self.secrets.items():
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59 value = value.replace(key, this_value)
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60 elif isinstance(value, MutableMapping):
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61 return {k: self.retrieve(v) for k, v in value.items()}
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62 elif isinstance(value, MutableSequence):
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63 return [self.retrieve(v) for k, v in enumerate(value)]
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64 return value