示例#1
0
def getCanonicalID(iname, xrd_tree):
    """Return the CanonicalID from this XRDS document.

    @param iname: the XRI being resolved.
    @type iname: unicode

    @param xrd_tree: The XRDS output from the resolver.
    @type xrd_tree: ElementTree

    @returns: The XRI CanonicalID or None.
    @returntype: unicode or None
    """
    xrd_list = xrd_tree.findall(xrd_tag)
    xrd_list.reverse()

    try:
        canonicalID = xri.XRI(xrd_list[0].findall(canonicalID_tag)[0].text)
    except IndexError:
        return None

    childID = canonicalID.lower()

    for xrd in xrd_list[1:]:
        parent_sought = childID.rsplit("!", 1)[0]
        parent = xri.XRI(xrd.findtext(canonicalID_tag))
        if parent_sought != parent.lower():
            raise XRDSFraud("%r can not come from %s" % (childID, parent))

        childID = parent_sought

    root = xri.rootAuthority(iname)
    if not xri.providerIsAuthoritative(root, childID):
        raise XRDSFraud("%r can not come from root %r" % (childID, root))

    return canonicalID
示例#2
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def getCanonicalID(iname, xrd_tree):
    """Return the CanonicalID from this XRDS document.

    @param iname: the XRI being resolved.
    @type iname: unicode

    @param xrd_tree: The XRDS output from the resolver.
    @type xrd_tree: ElementTree

    @returns: The XRI CanonicalID or None.
    @returntype: unicode or None
    """
    xrd_list = xrd_tree.findall(xrd_tag)
    xrd_list.reverse()

    try:
        canonicalID = xri.XRI(xrd_list[0].findall(canonicalID_tag)[0].text)
    except IndexError:
        return None

    childID = canonicalID.lower()

    for xrd in xrd_list[1:]:
        parent_sought = childID.rsplit("!", 1)[0]
        parent = xri.XRI(xrd.findtext(canonicalID_tag))
        if parent_sought != parent.lower():
            raise XRDSFraud("%r can not come from %s" % (childID, parent))

        childID = parent_sought

    root = xri.rootAuthority(iname)
    if not xri.providerIsAuthoritative(root, childID):
        raise XRDSFraud("%r can not come from root %r" % (childID, root))

    return canonicalID
示例#3
0
文件: etxrd.py 项目: abtain/Heraldry
def getCanonicalID(iname, xrd_tree):
    """Return the CanonicalID from this XRDS document.

    @param iname: the XRI being resolved.
    @type iname: unicode

    @param xrd_tree: The XRDS output from the resolver.
    @type xrd_tree: ElementTree

    @returns: The XRI CanonicalID or None.
    @returntype: unicode or None
    """
    xrd_list = xrd_tree.findall(xrd_tag)
    xrd_list.reverse()

    try:
        canonicalID = xri.XRI(xrd_list[0].findall(canonicalID_tag)[-1].text)
    except IndexError:
        return None

    childID = canonicalID

    for xrd in xrd_list[1:]:
        # XXX: can't use rsplit until we require python >= 2.4.
        parent_sought = childID[:childID.rindex('!')]
        parent_list = [xri.XRI(c.text) for c in xrd.findall(canonicalID_tag)]
        if parent_sought not in parent_list:
            raise XRDSFraud("%r can not come from any of %s" % (parent_sought,
                                                                parent_list))

        childID = parent_sought

    root = xri.rootAuthority(iname)
    if not xri.providerIsAuthoritative(root, childID):
        raise XRDSFraud("%r can not come from root %r" % (childID, root))

    return canonicalID
示例#4
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def getCanonicalID(iname, xrd_tree):
    """Return the CanonicalID from this XRDS document.

    @param iname: the XRI being resolved.
    @type iname: unicode

    @param xrd_tree: The XRDS output from the resolver.
    @type xrd_tree: ElementTree

    @returns: The XRI CanonicalID or None.
    @returntype: unicode or None
    """
    xrd_list = xrd_tree.findall(xrd_tag)
    xrd_list.reverse()

    try:
        canonicalID = xri.XRI(xrd_list[0].findall(canonicalID_tag)[-1].text)
    except IndexError:
        return None

    childID = canonicalID

    for xrd in xrd_list[1:]:
        # XXX: can't use rsplit until we require python >= 2.4.
        parent_sought = childID[:childID.rindex('!')]
        parent_list = [xri.XRI(c.text) for c in xrd.findall(canonicalID_tag)]
        if parent_sought not in parent_list:
            raise XRDSFraud("%r can not come from any of %s" %
                            (parent_sought, parent_list))

        childID = parent_sought

    root = xri.rootAuthority(iname)
    if not xri.providerIsAuthoritative(root, childID):
        raise XRDSFraud("%r can not come from root %r" % (childID, root))

    return canonicalID
示例#5
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 def test(self):
     result = xri.providerIsAuthoritative(providerID, canonicalID)
     format = "%s providing %s, expected %s"
     message = format % (providerID, canonicalID, isAuthoritative)
     self.assertEqual(result, isAuthoritative, message)
示例#6
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 def test(self):
     result = xri.providerIsAuthoritative(providerID, canonicalID)
     format = "%s providing %s, expected %s"
     message = format % (providerID, canonicalID, isAuthoritative)
     self.assertEqual(result, isAuthoritative, message)