epicyon/ssb.py

__filename__="ssb.py"
__author__="Bob Mottram"
__license__="AGPL3+"
__version__="1.1.0"
__maintainer__="Bob Mottram"
__email__="bob@freedombone.net"
__status__="Production"

import json

def getSSBAddress(actorJson: {}) -> str:
    """Returns ssb address for the given actor
    """
    if not actorJson.get('attachment'):
        return ''
    for propertyValue in actorJson['attachment']:
        if not propertyValue.get('name'):
            continue
        if not propertyValue['name'].lower().startswith('ssb'):
            continue
        if not propertyValue.get('type'):
            continue
        if not propertyValue.get('value'):
            continue
        if propertyValue['type']!='PropertyValue':
            continue
        propertyValue['value']=propertyValue['value'].strip()
        if not propertyValue['value'].startswith('@'):
            continue
        if '=.' not in propertyValue['value']:
            continue
        if '"' in propertyValue['value']:
            continue
        if ' ' in propertyValue['value']:
            continue
        if ',' in propertyValue['value']:
            continue
        return propertyValue['value']
    return ''

def setSSBAddress(actorJson: {},ssbAddress: str) -> None:
    """Sets an ssb address for the given actor
    """
    if not actorJson.get('attachment'):
        actorJson['attachment']=[]

    # remove any existing value
    propertyFound=None
    for propertyValue in actorJson['attachment']:
        if not propertyValue.get('name'):
            continue
        if not propertyValue.get('type'):
            continue
        if not propertyValue['name'].lower().startswith('ssb'):
            continue
        propertyFound=propertyValue
        break
    if propertyFound:
        actorJson['attachment'].remove(propertyFound)

    if not ssbAddress.startswith('@'):
        return
    if '=.' not in ssbAddress:
        return
    if '"' in ssbAddress:
        return
    if ' ' in ssbAddress:
        return
    if ',' in ssbAddress:
        return

    for propertyValue in actorJson['attachment']:
        if not propertyValue.get('name'):
            continue
        if not propertyValue.get('type'):
            continue
        if not propertyValue['name'].lower().startswith('ssb'):
            continue
        if propertyValue['type']!='PropertyValue':
            continue
        propertyValue['value']=ssbAddress
        return

    newSSBAddress={
        "name": "SSB",
        "type": "PropertyValue",
        "value": ssbAddress
    }
    actorJson['attachment'].append(newSSBAddress)