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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| """Our app specific CEF loggers.""" | ||
| from django.conf import settings | ||
| from django.http import HttpRequest | ||
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| from cef import log_cef as _log_cef | ||
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| class CEFLogger: | ||
| """Abstract base CEF logger. | ||
| Class attributes to set in a concrete class: | ||
| **sig_prefix** | ||
| Prefix to the CEF signature. Example: RECEIPT | ||
| **cs2label** | ||
| cs2label parameter. Example: ReceiptTransaction | ||
| **msg_prefix** | ||
| Prefix to all CEF log messages. Example: Receipt | ||
| **default_severity** | ||
| If set, this should be a 0-10 int. | ||
| """ | ||
| sig_prefix = '' | ||
| cs2label = None | ||
| msg_prefix = '' | ||
| default_severity = None | ||
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| def log(self, environ, app, msg, longer, severity=None, | ||
| extra_kwargs=None): | ||
| """Log something important using the CEF library. | ||
| Parameters: | ||
| **environ** | ||
| Typically a Django request object. It can also be | ||
| a plain dict. | ||
| **app** | ||
| An app/addon object. | ||
| **msg** | ||
| A short message about the incident. | ||
| **longer** | ||
| A more description message about the incident. | ||
| **severity=None** | ||
| A 0-10 int to override the default severity. | ||
| **extra_kwargs** | ||
| A dict to override anything sent to the CEF library. | ||
| """ | ||
| c = {'cef.product': getattr(settings, 'CEF_PRODUCT', 'AMO'), | ||
| 'cef.vendor': getattr(settings, 'CEF_VENDOR', 'Mozilla'), | ||
| 'cef.version': getattr(settings, 'CEF_VERSION', '0'), | ||
| 'cef.device_version': getattr(settings, 'CEF_DEVICE_VERSION', '0'), | ||
| 'cef.file': getattr(settings, 'CEF_FILE', 'syslog'), } | ||
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| kwargs = {'username': getattr(environ, 'amo_user', ''), | ||
| 'signature': '%s%s' % (self.sig_prefix, msg.upper()), | ||
| 'msg': longer, 'config': c, | ||
| 'cs2': app, 'cs2Label': self.cs2label} | ||
| if extra_kwargs: | ||
| kwargs.update(extra_kwargs) | ||
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| if not severity: | ||
| severity = self.default_severity | ||
| if not severity: | ||
| raise ValueError('CEF severity was not defined') | ||
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| if isinstance(environ, HttpRequest): | ||
| environ = environ.META.copy() | ||
| return _log_cef('%s %s' % (self.msg_prefix, msg), severity, | ||
| environ, **kwargs) | ||
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| class ReceiptCEFLogger(CEFLogger): | ||
| sig_prefix = 'RECEIPT' | ||
| cs2label = 'ReceiptTransaction' | ||
| msg_prefix = 'Receipt' | ||
| default_severity = 5 | ||
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| receipt_cef = ReceiptCEFLogger() | ||
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| class InappCEFLogger(CEFLogger): | ||
| sig_prefix = 'INAPP_PAY' | ||
| cs2label = 'InappPayment' | ||
| msg_prefix = 'InappPayment' | ||
| default_severity = 5 | ||
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| inapp_cef = InappCEFLogger() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,19 +1,19 @@ | ||
| import base64 | ||
| import os | ||
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| __all__ = ['generate_key'] | ||
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| def generate_key(byte_length): | ||
| """Return a true random ascii string that is byte_length long. | ||
| """Return a true random ascii string containing byte_length of randomness. | ||
| The resulting key is suitable for cryptogrpahy. | ||
| The key will be hex encoded which means it will be twice as long | ||
| as byte_length, i.e. 40 random bytes yields an 80 byte string. | ||
| byte_length must be at least 32. | ||
| """ | ||
| if byte_length < 32: # at least 256 bit | ||
| raise ValueError('um, %s is probably not long enough for cryptography' | ||
| % byte_length) | ||
| key = os.urandom(byte_length) | ||
| key = base64.b64encode(key).rstrip('=') # strip off padding | ||
| key = key[0:byte_length] | ||
| return key | ||
| return os.urandom(byte_length).encode('hex') |
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