Beispiel #1
0
 def convertElementTree(self, root):
     """ Convert the given tree of etree.Element
         entries to a list of tree nodes for the
         current XML toolkit.
     """
     nroot = self.newNode(root.tag)
     # Copy attributes
     for key, val in root.attrib:
         self.setAttribute(nroot, key, val)
     elements = []
     # Add text
     if root.text:
         t = libxml2.newText(root.text)
         self.appendNode(nroot, t)
     # Add children
     for c in root:
         for n in self.expandChildElements(c):
             self.appendNode(nroot, n)
     elements.append(nroot)
     # Add tail
     if root.tail:
         tail = libxml2.newText(root.tail)
         elements.append(tail)
         
     return elements
Beispiel #2
0
        def convertElementTree(self, root):
            """ Convert the given tree of etree.Element
                entries to a list of tree nodes for the
                current XML toolkit.
            """
            nroot = self.newNode(root.tag)
            # Copy attributes
            for key, val in root.attrib:
                self.setAttribute(nroot, key, val)
            elements = []
            # Add text
            if root.text:
                t = libxml2.newText(root.text)
                self.appendNode(nroot, t)
            # Add children
            for c in root:
                for n in self.expandChildElements(c):
                    self.appendNode(nroot, n)
            elements.append(nroot)
            # Add tail
            if root.tail:
                tail = libxml2.newText(root.tail)
                elements.append(tail)

            return elements
Beispiel #3
0
    def __parseToXML(self, node, data):
            # All supported variable types needs to be set up
            # here.  TypeError exception will be raised on
            # unknown types.

            t = type(data)
            if t is unicode or t is str or t is int or t is float:
                n = libxml2.newText(self.__encode(data))
                node.addChild(n)
            elif t is bool:
                v = data and "1" or "0"
                n = libxml2.newText(self.__encode(v))
                node.addChild(n)
            elif t is dict:
                for (key, val) in data.iteritems():
                    node2 = libxml2.newNode(self.__encode(self.parsedata_prefix + key, True))
                    self.__parseToXML(node2, val)
                    node.addChild(node2)
            elif t is tuple:
                for v in data:
                    if type(v) is dict:
                        self.__parseToXML(node, v)
                    else:
                        n = libxml2.newNode(self.tuple_tagname)
                        self.__parseToXML(n, v)
                        node.addChild(n)
            else:
                raise TypeError, "unhandled type (%s) for value '%s'" % (type(data), unicode(data))
    def _build_node(self):
        ciphers = ",".join([
            "SSL_RSA_WITH_3DES_EDE_CBC_SHA",
            "TLS_RSA_WITH_AES_256_CBC_SHA",
            "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA",
            "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA",
            "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA",
            "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA",
            "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA",
            "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
        ])

        # Setup our node configuration
        connector = libxml2.newNode("Connector")
        self._add_attributes(connector, [
            ("port", self.port),
            ("protocol", "HTTP/1.1"),
            ("SSLEnabled", "true"),
            ("maxThreads", "150"),
            ("scheme", "https"),
            ("secure", "true"),
        ])

        sslconfig = libxml2.newNode("SSLHostConfig")
        self._add_attributes(
            sslconfig,
            [
                ("certificateVerification", "optional"),
                # Note SSLv3 is not included, to avoid poodle
                # For the time being, TLSv1 needs to stay enabled in Satellite deployments to support
                # existing python-rhsm based clients (RHEL5).
                ("protocols", "+TLSv1,+TLSv1.1,+TLSv1.2"),
                ("sslProtocol", "TLS"),
                ("truststoreFile", "conf/keystore"),
                ("truststorePassword", "password"),
                ("truststoreType", "JKS"),
                ("ciphers", ciphers),
            ])

        certificate = libxml2.newNode("Certificate")
        self._add_attributes(certificate, [
            ("certificateKeystoreFile", "conf/keystore"),
            ("certificateKeystorePassword", "password"),
            ("certificateKeystoreType", "JKS"),
        ])

        # Put it all together
        # The libxml2 bindings don't provide an obvious way to output indented XML, so we fake
        # it here to make it mostly human-readable.
        connector.addChild(libxml2.newText("\n  "))
        connector.addChild(sslconfig)
        connector.addChild(libxml2.newText("\n"))
        sslconfig.addChild(libxml2.newText("\n    "))
        sslconfig.addChild(certificate)
        sslconfig.addChild(libxml2.newText("\n  "))

        # Return our top-level node
        return connector
Beispiel #5
0
def _add_pretty_child(parentnode, newnode):
    """
    Add 'newnode' as a child of 'parentnode', but try to preserve
    whitespace and nicely format the result.
    """
    def node_is_text(n):
        return bool(n and n.type == "text" and not n.content.count("<"))

    def prevSibling(node):
        parent = node.get_parent()
        if not parent:
            return None

        prev = None
        for child in parent.children:
            if child == node:
                return prev
            prev = child

        return None

    sib = parentnode.get_last()
    if not node_is_text(sib):
        # This case is when we add a child element to a node for the
        # first time, like:
        #
        # <features/>
        # to
        # <features>
        #   <acpi/>
        # </features>
        prevsib = prevSibling(parentnode)
        if node_is_text(prevsib):
            sib = libxml2.newText(prevsib.content)
        else:
            sib = libxml2.newText("\n")
        parentnode.addChild(sib)

    # This case is adding a child element to an already properly
    # spaced element. Example:
    # <features>
    #   <acpi/>
    # </features>
    # to
    # <features>
    #   <acpi/>
    #   <apic/>
    # </features>
    sib = parentnode.get_last()
    content = sib.content
    sib = sib.addNextSibling(libxml2.newText("  "))
    txt = libxml2.newText(content)

    sib.addNextSibling(newnode)
    newnode.addNextSibling(txt)
    return newnode
    def _build_node(self):
        ciphers = ",".join([
            "SSL_RSA_WITH_3DES_EDE_CBC_SHA",
            "TLS_RSA_WITH_AES_256_CBC_SHA",
            "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA",
            "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA",
            "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA",
            "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA",
            "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA",
            "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA",
        ])

        # Setup our node configuration
        connector = libxml2.newNode("Connector")
        self._add_attributes(connector, [
            ("port", self.port),
            ("protocol", "HTTP/1.1"),
            ("SSLEnabled", "true"),
            ("maxThreads", "150"),
            ("scheme", "https"),
            ("secure", "true"),
        ])

        sslconfig = libxml2.newNode("SSLHostConfig")
        self._add_attributes(sslconfig, [
            ("certificateVerification", "optional"),
            # Note SSLv3 is not included, to avoid poodle
            # For the time being, TLSv1 needs to stay enabled in Satellite deployments to support
            # existing python-rhsm based clients (RHEL5).
            ("protocols", "+TLSv1,+TLSv1.1,+TLSv1.2"),
            ("sslProtocol", "TLS"),
            ("truststoreFile", "conf/keystore"),
            ("truststorePassword", "password"),
            ("truststoreType", "JKS"),
            ("ciphers", ciphers),
        ])

        certificate = libxml2.newNode("Certificate")
        self._add_attributes(certificate, [
            ("certificateKeystoreFile", "conf/keystore"),
            ("certificateKeystorePassword", "password"),
            ("certificateKeystoreType", "JKS"),
        ])

        # Put it all together
        # The libxml2 bindings don't provide an obvious way to output indented XML, so we fake
        # it here to make it mostly human-readable.
        connector.addChild(libxml2.newText("\n  "))
        connector.addChild(sslconfig)
        connector.addChild(libxml2.newText("\n"))
        sslconfig.addChild(libxml2.newText("\n    "))
        sslconfig.addChild(certificate)
        sslconfig.addChild(libxml2.newText("\n  "))

        # Return our top-level node
        return connector
Beispiel #7
0
    def node_add_child(parentnode, newnode):
        """
        Add 'newnode' as a child of 'parentnode', but try to preserve
        whitespace and nicely format the result.
        """
        def node_is_text(n):
            return bool(n and n.type == "text" and "<" not in n.content)

        def prevSibling(node):
            parent = node.get_parent()
            if not parent:
                return None

            prev = None
            for child in parent.children:
                if child == node:
                    return prev
                prev = child

            return None

        sib = parentnode.get_last()
        if not node_is_text(sib):
            # This case is when we add a child element to a node for the
            # first time, like:
            #
            # <features/>
            # to
            # <features>
            #   <acpi/>
            # </features>
            prevsib = prevSibling(parentnode)
            if node_is_text(prevsib):
                sib = libxml2.newText(prevsib.content)
            else:
                sib = libxml2.newText("\n")
            parentnode.addChild(sib)

        # This case is adding a child element to an already properly
        # spaced element. Example:
        # <features>
        #   <acpi/>
        # </features>
        # to
        # <features>
        #   <acpi/>
        #   <apic/>
        # </features>
        sib = parentnode.get_last()
        content = sib.content
        sib = sib.addNextSibling(libxml2.newText("  "))
        txt = libxml2.newText(content)

        sib.addNextSibling(newnode)
        newnode.addNextSibling(txt)
        return newnode
Beispiel #8
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 def _create(self, parent):
     logger.info("Creating %s under %s on line %s" % (self.new_node, parent.name, parent.lineNo()))
     self._add_attributes(self.new_node, self.attributes)
     first_child = parent.firstElementChild()
     if first_child:
         # Insert the new node at the top so the output doesn't look like rubbish
         first_child.addPrevSibling(self.new_node)
         # Add a new line at the end of the new element
         first_child.addPrevSibling(libxml2.newText("\n\n"))
     else:
         parent.addChild(self.new_node)
         parent.addChild(libxml2.newText("\n\n"))
Beispiel #9
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    def _build_node(self):
        # <Connector port="8443" protocol="HTTP/1.1"
        #     scheme="https"
        #     secure="true"
        #     SSLEnabled="true"
        #     maxThreads="150">
        #
        #     <SSLHostConfig certificateVerification="optional"
        #         protocols="+TLSv1,+TLSv1.1,+TLSv1.2"
        #         sslProtocol="TLS"
        #         ciphers="SSL_RSA_WITH_3DES_EDE_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA,TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA,TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA,TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA,TLS_ECDH_RSA_WITH_AES_128_CBC_SHA,TLS_ECDH_RSA_WITH_AES_256_CBC_SHA,TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA">
        #
        #         <Certificate
        #                certificateFile="/etc/candlepin/certs/candlepin-ca.crt"
        #                certificateKeyFile="/etc/candlepin/certs/candlepin-ca.key"
        #                type="RSA"
        #         />
        #     </SSLHostConfig>
        # </Connector>

        connector = libxml2.newNode("Connector")
        self._add_attributes(connector, self.attributes)

        ssl_host_config = libxml2.newNode("SSLHostConfig")
        self._add_attributes(ssl_host_config, [
            ("certificateVerification", "optional"),
            # Note SSLv3 is not included, to avoid poodle
            # For the time being, TLSv1 needs to stay enabled in Satellite deployments to support
            # existing python-rhsm based clients (RHEL5).
            ("protocols", "+TLSv1,+TLSv1.1,+TLSv1.2"),
            ("sslProtocol", "TLS"),
            ("ciphers", ",".join(SSL_CIPHERS))
        ])

        certificate = libxml2.newNode("Certificate")
        self._add_attributes(certificate, [
            ('certificateFile', '/etc/candlepin/certs/candlepin-ca.crt'),
            ('certificateKeyFile', '/etc/candlepin/certs/candlepin-ca.key'),
            ('type', 'RSA')
        ])

        # Put it all together
        # The libxml2 bindings don't provide an obvious way to output indented XML, so we fake
        # it here to make it mostly human-readable.
        connector.addChild(libxml2.newText("\n  "))
        connector.addChild(ssl_host_config)
        connector.addChild(libxml2.newText("\n"))
        ssl_host_config.addChild(libxml2.newText("\n    "))
        ssl_host_config.addChild(certificate)
        ssl_host_config.addChild(libxml2.newText("\n  "))

        # return
        return connector
Beispiel #10
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    def _create(self, parent):
        logger.info("Creating node \"%s\" under \"%s\" on line %s" % (self.new_node.name, parent.name, parent.lineNo()))
        logger.debug("New node: %s" % (self.new_node))

        first_child = parent.firstElementChild()
        if first_child:
            # Insert the new node at the top so the output doesn't look like rubbish
            first_child.addPrevSibling(self.new_node)
            # Add a new line at the end of the new element
            first_child.addPrevSibling(libxml2.newText("\n\n"))
        else:
            parent.addChild(self.new_node)
            parent.addChild(libxml2.newText("\n\n"))
    def _create(self, parent):
        logger.info("Creating node \"%s\" under \"%s\" on line %s" % (self.new_node.name, parent.name, parent.lineNo()))
        logger.debug("New node: %s" % (self.new_node))

        first_child = parent.firstElementChild()
        if first_child:
            # Insert the new node at the top so the output doesn't look like rubbish
            first_child.addPrevSibling(self.new_node)
            # Add a new line at the end of the new element
            first_child.addPrevSibling(libxml2.newText("\n\n"))
        else:
            parent.addChild(self.new_node)
            parent.addChild(libxml2.newText("\n\n"))
Beispiel #12
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 def _create(self, parent):
     logger.info("Creating %s under %s on line %s" % (self.element, parent.name, parent.lineNo()))
     new_element = libxml2.newNode(self.element)
     self._add_attributes(new_element, self.attributes)
     first_child = parent.firstElementChild()
     if first_child:
         # Insert the new node at the top so the output doesn't look like rubbish
         first_child.addPrevSibling(new_element)
         # Add a new line at the end of the new element
         first_child.addPrevSibling(libxml2.newText("\n\n"))
     else:
         parent.addChild(new_element)
         parent.addChild(libxml2.newText("\n\n"))
    def __generate_internal_xml(self):
        "Private method: Generates the internal XML needed for XSLT template"

        # Generate new XML document and set <submit/> to be the root tag
        xml = libxml2.newDoc('1.0')
        submit_node = libxml2.newNode('submit')
        xml.setRootElement(submit_node)

        # Add white board text if set
        wb_node = libxml2.newNode('whiteboard')
        if self.whiteboard is not None:
            wb_node.addChild(libxml2.newText(self.whiteboard))
        submit_node.addChild(wb_node)

        # Add the recipe node ...
        recipe_node = libxml2.newNode('recipe')
        submit_node.addChild(recipe_node)

        # ... and add all the defined arguments
        for key in self.jobargs.GetArgumentKeys():
            if self.jobargs.IsProcessed(key):
                continue
            (tagname, tagnode) = self.jobargs.CreateTag(key)

            arg = self.jobargs.GetNextArgumentOnTag(tagname)
            while arg is not None:
                if arg['value']:
                    recipe_node.addChild(tagnode)
                    if arg['tagvaluetype'] == 'value':
                        tagnode.addChild(
                            libxml2.newText(
                                self.__format_xml_value(
                                    arg['argtype'], arg['value'])))
                    elif arg['tagvaluetype'] == 'attribute':
                        tagnode.newProp(
                            arg['tagvaluename'],
                            self.__format_xml_value(arg['argtype'],
                                                    arg['value']))
                    elif arg['tagvaluetype'] == "list":
                        for listval in arg["value"].split(","):
                            tagchild_n = self.jobargs.CreateChildTag(key)
                            tagchild_n.addChild(libxml2.newText(listval))
                    else:
                        raise Exception(
                            "Unknown <tag/> type '%s' found in '%s'" %
                            (arg['tagvaluetype'], key))

                self.jobargs.SetProcessed()
                arg = self.jobargs.GetNextArgumentOnTag(tagname)

        return xml
Beispiel #14
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    def _node_add_child(self, parentxpath, parentnode, newnode):
        ignore = parentxpath
        if not node_is_text(parentnode.get_last()):
            prevsib = parentnode.get_prev()
            if node_is_text(prevsib):
                newlast = libxml2.newText(prevsib.content)
            else:
                newlast = libxml2.newText("\n")
            parentnode.addChild(newlast)

        endtext = parentnode.get_last().content
        parentnode.addChild(libxml2.newText("  "))
        parentnode.addChild(newnode)
        parentnode.addChild(libxml2.newText(endtext))
Beispiel #15
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    def _node_add_child(self, parentxpath, parentnode, newnode):
        ignore = parentxpath
        if not node_is_text(parentnode.get_last()):
            prevsib = parentnode.get_prev()
            if node_is_text(prevsib):
                newlast = libxml2.newText(prevsib.content)
            else:
                newlast = libxml2.newText("\n")
            parentnode.addChild(newlast)

        endtext = parentnode.get_last().content
        parentnode.addChild(libxml2.newText("  "))
        parentnode.addChild(newnode)
        parentnode.addChild(libxml2.newText(endtext))
Beispiel #16
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def _serialize_to_xml(obj, xmlnode):
    """Create XML representation of a Python object (list, tuple,
    dist, or basic number and string types)."""
    if type(obj) in (list, tuple):
        listnode = libxml2.newNode('list')
        for li in obj:
            itemnode = libxml2.newNode('li')
            _serialize_to_xml(li, itemnode)
            listnode.addChild(itemnode)
        xmlnode.addChild(listnode)

    elif type(obj) == dict:
        dictnode = libxml2.newNode('dict')
        for key, val in obj.iteritems():
            itemnode = libxml2.newNode(key.encode('utf-8'))
            _serialize_to_xml(val, itemnode)
            dictnode.addChild(itemnode)
        xmlnode.addChild(dictnode)

    elif type(obj) in (str, unicode, int, long, float, complex, bool):
        content = libxml2.newText(unicode(obj).encode('utf-8'))
        xmlnode.addChild(content)

    elif type(obj) == type(None):
        pass

    else:
        raise TypeError('Unsupported type %s while serializing to xml'
                          % type(obj))
Beispiel #17
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    def _encode(self,
                doc,
                tag,
                children,
                attributes,
                value,
                cdata,
                ns,
                nsMap={}):
        node = libxml2.newNode(tag)
        if ns:
            # create a prefix for the ns
            if not ns in nsMap:
                nsMap[ns] = 'ns%d' % (len(nsMap) + 1)
            prefix = nsMap[ns]
            node.setNs(node.newNs(ns, prefix))
        for k, v in attributes.items():
            node.setProp(k, v)

        if children:
            for (tag, attr) in children:
                node.addChild(
                    self._encode(doc, tag, attr.get('children'),
                                 attr.get('attributes', {}), attr.get('value'),
                                 attr.get('cdata'), attr.get('ns'), nsMap))
        else:
            if cdata:
                node.addChild(doc.newCDataBlock(value, len(value)))
            else:
                node.addChild(libxml2.newText(value))
        return node
 def get_html(self, root = True):
     assert (self.edit_mode == "html")
     
     html_node = libxml2.newNode(DOCBOOK_TO_HTML_NODES[self._xml_root.name])
     html_node.newProp("data-docbook-type", self._xml_root.name)
     self._docbook_to_html_process_properties(self._xml_root, html_node)
     if root:
         last_child = None
         for i in self._children:
             if i.get_xml_node().name != "text":
                 last_child = i
             if (i.element_type in ["chapter"] or i.element_type.startswith("sect")):
                 child_node = i.get_html(False)
             else:
                 child_node = self._docbook_to_html_node(i.get_xml_node())
             if type(child_node) != list:
                 child_node = [child_node]
             for j in child_node:
                 html_node.addChild(j)
         if last_child and (last_child.get_xml_node().name == "chapter" or last_child.get_xml_node().name.startswith("sect")):
             html_node.addChild(libxml2.newNode("br"))
     else:
         html_node.newProp("class", "subsection %s mceNonEditable" % self._xml_root.name)
         html_node.addChild(libxml2.newText("Subsection (%s) \"%s\"" % (self._xml_root.name, self.title)))
     
     return html_node
Beispiel #19
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 def setContent(self, text):
     #Note: this is a work around for a bug when adding 'one & two' type text
     t = libxml2.newText(text)
     text = t.serialize()
     t.freeNode()
     self.__node.setContent(text)
     return self
 def setContent(self, text):
     #Note: this is a work around for a bug when adding 'one & two' type text
     t = libxml2.newText(text)
     text = t.serialize()
     t.freeNode()
     self.__node.setContent(text)
     return self
Beispiel #21
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def _restxsl(xmlDoc, stylesheet, xslParams=None, encoding='ASCII'):
    # Resolve pyxslt XPATH references.
    for xmlNode in xmlDoc.xpathEval('//pyxslt-xpath-reference'):
        # Get the XPATH expression.
        xpath = origXpath = xmlNode.getContent()

        # Prepend the ``//pyxslt/`` root to relative XPATH expressions.
        if xpath[0] != '/':
            xpath = '//pyxslt/' + xpath

        # Look up this reference.
        targetNode = xmlDoc.xpathEval(xpath)
        if not targetNode:
            raise InvalidXpathExpression, origXpath

        # Replace the XPATH reference with the contents of the found
        # node.
        newTextNode = libxml2.newText(targetNode[0].getContent())
        xmlNode.replaceNode(newTextNode)


    # Apply the stylesheet to the reStructuredText XML document.
    out = stylesheet.apply(xmlDoc, xslParams)

    # Get the contents of the XML file.
    xml = out.serialize(encoding=encoding)

    # Free the transformed document.
    out.freeDoc()


    # Return the XML text.
    return xml
Beispiel #22
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def processInsert(parentNode, insertNode):
    """
    Check for pythoncode
    """
    if getAttr(insertNode, "section") == "python":
        code = getAttr(insertNode, "code")
        node = libxml2.newNode("pythoncode")
        node.addChild(libxml2.newText(code))
        parentNode.addChild(node)
Beispiel #23
0
    def __generate_internal_xml(self):
        "Private method: Generates the internal XML needed for XSLT template"

        # Generate new XML document and set <submit/> to be the root tag
        xml = libxml2.newDoc('1.0')
        submit_node = libxml2.newNode('submit')
        xml.setRootElement(submit_node)

        # Add white board text if set
        wb_node = libxml2.newNode('whiteboard')
        if self.whiteboard is not None:
            wb_node.addChild(libxml2.newText(self.whiteboard))
        submit_node.addChild(wb_node)

        # Add the recipe node ...
        recipe_node = libxml2.newNode('recipe')
        submit_node.addChild(recipe_node)

        # ... and add all the defined arguments
        for key in self.jobargs.GetArgumentKeys():
            if self.jobargs.IsProcessed(key):
                continue
            (tagname, tagnode) = self.jobargs.CreateTag(key)

            arg = self.jobargs.GetNextArgumentOnTag(tagname)
            while arg is not None:
                if arg['value']:
                    recipe_node.addChild(tagnode)
                    if arg['tagvaluetype'] == 'value':
                        tagnode.addChild(libxml2.newText(self.__format_xml_value(arg['argtype'], arg['value'])))
                    elif arg['tagvaluetype'] == 'attribute':
                        tagnode.newProp(arg['tagvaluename'], self.__format_xml_value(arg['argtype'], arg['value']))
                    elif arg['tagvaluetype'] == "list":
                        for listval in arg["value"].split(","):
                            tagchild_n = self.jobargs.CreateChildTag(key)
                            tagchild_n.addChild(libxml2.newText(listval))
                    else:
                        raise Exception("Unknown <tag/> type '%s' found in '%s'"
                                        % (arg['tagvaluetype'], key))

                self.jobargs.SetProcessed()
                arg = self.jobargs.GetNextArgumentOnTag(tagname)

        return xml
 def setAttribute(self, name, content):
     att = self.__node.hasProp(name)
     if att==None:
         att = self.__node.newProp(name, content)
     else:
         #Note: this is a work around for a bug when adding 'one & two' type text
         t = libxml2.newText(content)
         content = t.serialize()
         t.freeNode()
         att.setContent(content)
Beispiel #25
0
 def setAttribute(self, name, content):
     att = self.__node.hasProp(name)
     if att == None:
         att = self.__node.newProp(name, content)
     else:
         #Note: this is a work around for a bug when adding 'one & two' type text
         t = libxml2.newText(content)
         content = t.serialize()
         t.freeNode()
         att.setContent(content)
Beispiel #26
0
 def create_text_node(self, sNode_name, sNode_value):
     """
     Create and return a text node of name sNode_name with value
      sNode_value.
     
      Note: 
     """
     nodeText = libxml2.newText(sNode_value)
     nodeTmp = libxml2.newNode(sNode_name)
     nodeTmp.addChild(nodeText)
     return nodeTmp
Beispiel #27
0
    def make_node(parentnode, newnode):
        # Add the needed parent node, try to preserve whitespace by
        # looking for a starting TEXT node, and copying it
        def node_is_text(n):
            return bool(n and n.type == "text" and not n.content.count("<"))

        sib = parentnode.get_last()
        if not node_is_text(sib):
            # This case is when we add a child element to a node for the
            # first time, like:
            #
            # <features/>
            # to
            # <features>
            #   <acpi/>
            # </features>
            prevsib = prevSibling(parentnode)
            if node_is_text(prevsib):
                sib = libxml2.newText(prevsib.content)
            else:
                sib = libxml2.newText("")
            parentnode.addChild(sib)

        # This is case is adding a child element to an already properly
        # spaced element. Example:
        # <features>
        #  <acpi/>
        # </features>
        # to
        # <features>
        #  <acpi/>
        #  <apic/>
        # </features>
        sib = parentnode.get_last()
        content = sib.content
        sib = sib.addNextSibling(libxml2.newText("  "))
        txt = libxml2.newText(content)

        sib.addNextSibling(newnode)
        newnode.addNextSibling(txt)
        return newnode
    def make_node(parentnode, newnode):
        # Add the needed parent node, try to preserve whitespace by
        # looking for a starting TEXT node, and copying it
        def node_is_text(n):
            return bool(n and n.type == "text" and not n.content.count("<"))

        sib = parentnode.get_last()
        if not node_is_text(sib):
            # This case is when we add a child element to a node for the
            # first time, like:
            #
            # <features/>
            # to
            # <features>
            #   <acpi/>
            # </features>
            prevsib = prevSibling(parentnode)
            if node_is_text(prevsib):
                sib = libxml2.newText(prevsib.content)
            else:
                sib = libxml2.newText("")
            parentnode.addChild(sib)

        # This is case is adding a child element to an already properly
        # spaced element. Example:
        # <features>
        #  <acpi/>
        # </features>
        # to
        # <features>
        #  <acpi/>
        #  <apic/>
        # </features>
        sib = parentnode.get_last()
        content = sib.content
        sib = sib.addNextSibling(libxml2.newText("  "))
        txt = libxml2.newText(content)

        sib.addNextSibling(newnode)
        newnode.addNextSibling(txt)
        return newnode
 def _docbook_to_html_node(self, xml_node):
     if xml_node.name == "text":
         return xml_node.copyNode(False)
     elif xml_node.type == "entity_ref":
         return libxml2.newText(str(xml_node))
     elif xml_node.name == "footnote":
         res = libxml2.newNode("sup")
         res.newProp("data-docbook-type", "footnote")
         footnote_content = ""
         child = xml_node.children
         while child:
             footnote_content += str(self._docbook_to_html(child))
             child = child.next
         res.newProp("data-footnote", footnote_content)
         res.newProp("class", "footnote mceNonEditable")
         res.addChild(libxml2.newText(_("footnote")))
         return res
     elif xml_node.name in DOCBOOK_TO_HTML_NODES or xml_node.name in ["emphasis"]:
         res = self._docbook_to_html(xml_node)
         self._docbook_to_html_process_properties(xml_node, res)
         return res
     elif xml_node.name in DOCBOOK_JUMP_NODES:
         res = []
         subchild = xml_node.children
         while subchild:
             html_child = self._docbook_to_html_node(subchild)
             if type(html_child) == list:
                 res += html_child
             elif html_child != None:
                 res.append(html_child)
             subchild = subchild.next
         return res
     else:
         self._warn_unconverted_docbook_node_type(xml_node.name)
         res = self._docbook_to_html(xml_node)
         self._docbook_to_html_process_properties(xml_node, res)
         return res
Beispiel #30
0
 def expandChildElements(self, child):
     """ Helper function for convertElementTree,
         converts a single child recursively.
     """
     nchild = self.newNode(child.tag)
     # Copy attributes
     for key, val in child.attrib:
         self.setAttribute(nchild, key, val)
     elements = []
     # Add text
     if child.text:
         t = libxml2.newText(child.text)
         self.appendNode(nchild, t)
     # Add children
     for c in child:
         for n in self.expandChildElements(c):
             self.appendNode(nchild, n)
     elements.append(nchild)
     # Add tail
     if child.tail:
         tail = libxml2.newText(child.tail)
         elements.append(tail)
         
     return elements
Beispiel #31
0
        def expandChildElements(self, child):
            """ Helper function for convertElementTree,
                converts a single child recursively.
            """
            nchild = self.newNode(child.tag)
            # Copy attributes
            for key, val in child.attrib:
                self.setAttribute(nchild, key, val)
            elements = []
            # Add text
            if child.text:
                t = libxml2.newText(child.text)
                self.appendNode(nchild, t)
            # Add children
            for c in child:
                for n in self.expandChildElements(c):
                    self.appendNode(nchild, n)
            elements.append(nchild)
            # Add tail
            if child.tail:
                tail = libxml2.newText(child.tail)
                elements.append(tail)

            return elements
Beispiel #32
0
	def _encode(self, doc, tag, children, attributes, value, cdata, ns, nsMap = {}):
		node = libxml2.newNode(tag)
		if ns:
			# create a prefix for the ns
			if not ns in nsMap:
				nsMap[ns] = 'ns%d' % (len(nsMap) + 1)
			prefix = nsMap[ns]
			node.setNs(node.newNs(ns, prefix))
		for k, v in attributes.items():
			node.setProp(k, v)
		
		if children:
			for (tag, attr) in children:
				node.addChild(self._encode(doc, tag, attr.get('children'), attr.get('attributes', {}), attr.get('value'), attr.get('cdata'), attr.get('ns'), nsMap))
		else:
			if cdata:
				node.addChild(doc.newCDataBlock(value, len(value)))
			else:
				node.addChild(libxml2.newText(value))
		return node
Beispiel #33
0
def string_to_xmlnode(doc, value):
    return libxml2.newText(str(value))
Beispiel #34
0
for t in textnodes:
    i = int(t.prop('font'))
    s,c = specs[i]
    t.unsetProp('font')
    t.setProp('size',s)
    t.setProp('color',c)

print 'remove the fontspec nodes'
for f in fontnodes:
    f.unlinkNode()
    f.freeNode()

print 'replace all <i> by textit'
for n in doc.xpathEval('//i'):
    content = '\\textit{%s}' %(n.content)
    new = libxml2.newText(content)
    n.replaceNode(new)
    n.freeNode()

print 'replace all <b> by textbf'
for n in doc.xpathEval('//b'):
    content = '\\textbf{%s}' %(n.content)
    new = libxml2.newText(content)
    n.replaceNode(new)
    n.freeNode()

### parsing pages

def gettext(page):
    """get a page node, return a list of text nodes from this page"""
    req ='./text[ (@size="22" and (@color="#231f20" or @color="#007c97" or @color="#b01016")) or (@color="#231f20" and (@size="16" or @size="12" or @size="7"))]'
Beispiel #35
0
    def send_mainmenu(self):
        """Build the XML main menu from the module description files
        in the hard drive.
        """
        if not os.path.isdir(template_path):
            self.request_done(404, "Can't access service directory %s" %
                              template_path)
            return

        debug('Reading XSLT templates from ' + template_path)

        # Find menu items in the service.xml files in the subdirectories
        menuitems = {}
        for f in os.listdir(template_path):
            if f == 'bin':
                continue

            filename = os.path.join(template_path, f, 'service.xml')
            if not os.path.isfile(filename):
                continue

            try:
                doc = libxml2.parseFile(filename)
            except libxml2.parserError:
                debug("Failed to parse " + filename)
                continue

            title = ''
            url = ''

            root = doc.getRootElement()
            if (root is None) or (root.name != 'service'):
                debug("Root node is not 'service' in " + filename)
                doc.freeDoc()
                continue
            node = root.children
            while node is not None:
                if node.name == 'title':
                    title = utils.get_content_unicode(node)
                elif node.name == 'ref':
                    url = utils.get_content_unicode(node)
                node = node.next
            doc.freeDoc()

            if (title == '') or (url == ''):
                debug("Empty <title> or <ref> in " + filename)
                continue
            
            menuitems[title.lower()] = ('<link>\n'
                                        '<label>%s</label>\n'
                                        '<ref>%s</ref>\n'
                                        '</link>\n' %
                                        (libxml2.newText(title),
                                         libxml2.newText(url)))
        # Sort the menu items
        titles = menuitems.keys()
        titles.sort()

        # Build the menu
        mainmenu = ('<?xml version="1.0"?>\n'
                    '<wvmenu>\n'
                    '<title>Select video source</title>\n')
        for t in titles:
            mainmenu += menuitems[t]
        mainmenu += '</wvmenu>'

        self.dl = download.DummyDownloader(mainmenu,
                                           writefunc=self.writewrapper,
                                           donefunc=self.request_done)
        self.dl.start()
Beispiel #36
0
def signMessage(
    doc,
    cert,
    privkey,
    tbsElements=[],
    c14nAlgorithm=TRANSFORM_C14N_EXC,
    transformAlgorithm=TRANSFORM_C14N_EXC,
    digestAlgorithm=DIGEST_SHA1,
    signatureAlgorithm=SIGNATURE_RSA_SHA1,
):
    """
	Signs a message using Ws-Security X.509 Certificate Profile 1.0/1.1,
	using the certificate's Subject Key Identifier as the token reference.
	
	The initial document shall not include any Ws-Security-related info.
	
	WARNING: this method does not check that the privkey and the certificate
	are associated.
	
	@type  doc: libxml2 Document
	@param doc: the document corresponding to the whole SOAP envelope
	@type  cert: M2Crypto.X509
	@param cert: the signing certificate. Must contain a Subject Key Identifier.
	@type  privkey: M2Crypto.PKey
	@type  privkey: the private key associated to the certificate.
	@type  tbsElements: list of libxml2 Element nodes
	@param tbsElements: the list of elements to be signed (typically the body).
	
	@rtype: libxml2 document
	@returns: the updated XML document, with an added Signature header.
	"""
    try:
        ski = cert.get_ext("subjectKeyIdentifier").get_value()
    except:
        raise Exception(
            "Cannot sign with this certificate (%s), no Subject Key Identifier found" % cert.get_subject().as_text()
        )
    ski = binascii.unhexlify(ski.replace(":", ""))

    ns_ds = getOrCreateNs(doc.getRootElement(), NS_XMLDSIG, "ds")
    ns_wsse = getOrCreateNs(doc.getRootElement(), NS_WSSE, "wsse")
    ns_wsu = getOrCreateNs(doc.getRootElement(), NS_WSU, "wsu")
    ns_soap = getOrCreateNs(doc.getRootElement(), NS_SOAP, "soap")

    xpc = doc.xpathNewContext()
    xpc.xpathRegisterNs("wsse", NS_WSSE)
    xpc.xpathRegisterNs("soap", NS_SOAP)

    env = xpc.xpathEval("/soap:Envelope")
    if not env:
        raise Exception("Cannot sign this message: not a SOAP envelope")
    env = env[0]
    header = xpc.xpathEval("/soap:Envelope/soap:Header")
    if not header:
        header = libxml2.newNode("Header")
        header.setNs(ns_soap)
        firstElementChild = getFirstElementChild(env)
        if firstElementChild:
            firstElementChild.addPrevSibling(header)
        else:
            env.addChild(header)
    else:
        header = header[0]

    security = xpc.xpathEval("/soap:Envelope/soap:Header/wsse:Security")
    if not security:
        security = libxml2.newNode("Security")
        security.setNs(ns_wsse)
        header.addChild(security)
    else:
        security = security[0]

    signature = libxml2.newNode("Signature")
    signature.setNs(ns_ds)
    security.addChild(signature)

    # Signed Info
    signedInfo = libxml2.newNode("SignedInfo")
    signedInfo.setNs(ns_ds)
    # c14n method
    c14nMethod = libxml2.newNode("CanonicalizationMethod")
    c14nMethod.setProp("Algorithm", c14nAlgorithm)
    c14nMethod.setNs(ns_ds)
    signedInfo.addChild(c14nMethod)
    # Signature method
    signatureMethod = libxml2.newNode("SignatureMethod")
    signatureMethod.setProp("Algorithm", signatureAlgorithm)
    signatureMethod.setNs(ns_ds)
    signedInfo.addChild(signatureMethod)
    # Compute digests for each elements
    for tbs in tbsElements:
        reference = libxml2.newNode("Reference")
        reference.setNs(ns_ds)
        # Generate a local ID
        uri = "id-%s" % time.time()
        reference.setProp("URI", "#" + uri)

        # Transforms - only a single Transform is used
        transforms = libxml2.newNode("Transforms")
        transforms.setNs(ns_ds)
        transform = libxml2.newNode("Transform")
        transform.setNs(ns_ds)
        transform.setProp("Algorithm", transformAlgorithm)
        transforms.addChild(transform)
        reference.addChild(transforms)

        # Digest method
        digestMethod = libxml2.newNode("DigestMethod")
        digestMethod.setNs(ns_ds)
        digestMethod.setProp("Algorithm", digestAlgorithm)
        reference.addChild(digestMethod)

        # Digest value
        # first, add a wsu:Id=uri
        tbs.setNsProp(ns_wsu, "Id", uri)
        digest = computeDigest(applyTransform(tbs, transformAlgorithm), digestAlgorithm)
        digestValue = libxml2.newNode("DigestValue")
        digestValue.setNs(ns_ds)
        digestValue.addChild(libxml2.newText(base64.encodestring(digest)))
        reference.addChild(digestValue)

        # OK, we're done with this reference/tbs element
        signedInfo.addChild(reference)

    signature.addChild(signedInfo)

    # Signature Value
    signatureValue = libxml2.newNode("SignatureValue")
    signatureValue.setNs(ns_ds)
    # Signature computation
    # transform the signedInfo
    tbs = applyTransform(signedInfo, c14nAlgorithm)
    sign = computeSignature(privkey=privkey, algorithm=signatureAlgorithm, text=tbs)
    signatureValue.addChild(libxml2.newText(base64.encodestring(sign)))

    # A single key info (cert SKI)
    keyInfo = libxml2.newNode("KeyInfo")
    keyInfo.setNs(ns_ds)
    securityTokenReference = libxml2.newNode("SecurityTokenReference")
    securityTokenReference.setNs(ns_wsse)
    keyIdentifier = libxml2.newNode("KeyIdentifier")
    keyIdentifier.setNs(ns_wsse)
    keyIdentifier.setProp("EncodingType", ENCODING_BASE64)
    keyIdentifier.setProp("ValueType", TOKEN_REFERENCE_VALUE_TYPE_SKI)
    keyIdentifier.addChild(libxml2.newText(base64.encodestring(ski)))
    securityTokenReference.addChild(keyIdentifier)
    keyInfo.addChild(securityTokenReference)

    signature.addChild(signatureValue)
    signature.addChild(keyInfo)

    # OK, return the updated doc
    return doc
Beispiel #37
0
def signMessage(doc,
                cert,
                privkey,
                tbsElements=[],
                c14nAlgorithm=TRANSFORM_C14N_EXC,
                transformAlgorithm=TRANSFORM_C14N_EXC,
                digestAlgorithm=DIGEST_SHA1,
                signatureAlgorithm=SIGNATURE_RSA_SHA1):
    """
	Signs a message using Ws-Security X.509 Certificate Profile 1.0/1.1,
	using the certificate's Subject Key Identifier as the token reference.
	
	The initial document shall not include any Ws-Security-related info.
	
	WARNING: this method does not check that the privkey and the certificate
	are associated.
	
	@type  doc: libxml2 Document
	@param doc: the document corresponding to the whole SOAP envelope
	@type  cert: M2Crypto.X509
	@param cert: the signing certificate. Must contain a Subject Key Identifier.
	@type  privkey: M2Crypto.PKey
	@type  privkey: the private key associated to the certificate.
	@type  tbsElements: list of libxml2 Element nodes
	@param tbsElements: the list of elements to be signed (typically the body).
	
	@rtype: libxml2 document
	@returns: the updated XML document, with an added Signature header.
	"""
    try:
        ski = cert.get_ext('subjectKeyIdentifier').get_value()
    except:
        raise Exception(
            "Cannot sign with this certificate (%s), no Subject Key Identifier found"
            % cert.get_subject().as_text())
    ski = binascii.unhexlify(ski.replace(':', ''))

    ns_ds = getOrCreateNs(doc.getRootElement(), NS_XMLDSIG, "ds")
    ns_wsse = getOrCreateNs(doc.getRootElement(), NS_WSSE, "wsse")
    ns_wsu = getOrCreateNs(doc.getRootElement(), NS_WSU, "wsu")
    ns_soap = getOrCreateNs(doc.getRootElement(), NS_SOAP, "soap")

    xpc = doc.xpathNewContext()
    xpc.xpathRegisterNs("wsse", NS_WSSE)
    xpc.xpathRegisterNs("soap", NS_SOAP)

    env = xpc.xpathEval("/soap:Envelope")
    if not env:
        raise Exception("Cannot sign this message: not a SOAP envelope")
    env = env[0]
    header = xpc.xpathEval("/soap:Envelope/soap:Header")
    if not header:
        header = libxml2.newNode("Header")
        header.setNs(ns_soap)
        firstElementChild = getFirstElementChild(env)
        if firstElementChild:
            firstElementChild.addPrevSibling(header)
        else:
            env.addChild(header)
    else:
        header = header[0]

    security = xpc.xpathEval("/soap:Envelope/soap:Header/wsse:Security")
    if not security:
        security = libxml2.newNode("Security")
        security.setNs(ns_wsse)
        header.addChild(security)
    else:
        security = security[0]

    signature = libxml2.newNode("Signature")
    signature.setNs(ns_ds)
    security.addChild(signature)

    # Signed Info
    signedInfo = libxml2.newNode("SignedInfo")
    signedInfo.setNs(ns_ds)
    # c14n method
    c14nMethod = libxml2.newNode("CanonicalizationMethod")
    c14nMethod.setProp("Algorithm", c14nAlgorithm)
    c14nMethod.setNs(ns_ds)
    signedInfo.addChild(c14nMethod)
    # Signature method
    signatureMethod = libxml2.newNode("SignatureMethod")
    signatureMethod.setProp("Algorithm", signatureAlgorithm)
    signatureMethod.setNs(ns_ds)
    signedInfo.addChild(signatureMethod)
    # Compute digests for each elements
    for tbs in tbsElements:
        reference = libxml2.newNode("Reference")
        reference.setNs(ns_ds)
        # Generate a local ID
        uri = "id-%s" % time.time()
        reference.setProp("URI", '#' + uri)

        # Transforms - only a single Transform is used
        transforms = libxml2.newNode("Transforms")
        transforms.setNs(ns_ds)
        transform = libxml2.newNode("Transform")
        transform.setNs(ns_ds)
        transform.setProp("Algorithm", transformAlgorithm)
        transforms.addChild(transform)
        reference.addChild(transforms)

        # Digest method
        digestMethod = libxml2.newNode("DigestMethod")
        digestMethod.setNs(ns_ds)
        digestMethod.setProp("Algorithm", digestAlgorithm)
        reference.addChild(digestMethod)

        # Digest value
        # first, add a wsu:Id=uri
        tbs.setNsProp(ns_wsu, "Id", uri)
        digest = computeDigest(applyTransform(tbs, transformAlgorithm),
                               digestAlgorithm)
        digestValue = libxml2.newNode("DigestValue")
        digestValue.setNs(ns_ds)
        digestValue.addChild(libxml2.newText(base64.encodestring(digest)))
        reference.addChild(digestValue)

        # OK, we're done with this reference/tbs element
        signedInfo.addChild(reference)

    signature.addChild(signedInfo)

    # Signature Value
    signatureValue = libxml2.newNode("SignatureValue")
    signatureValue.setNs(ns_ds)
    # Signature computation
    # transform the signedInfo
    tbs = applyTransform(signedInfo, c14nAlgorithm)
    sign = computeSignature(privkey=privkey,
                            algorithm=signatureAlgorithm,
                            text=tbs)
    signatureValue.addChild(libxml2.newText(base64.encodestring(sign)))

    # A single key info (cert SKI)
    keyInfo = libxml2.newNode("KeyInfo")
    keyInfo.setNs(ns_ds)
    securityTokenReference = libxml2.newNode("SecurityTokenReference")
    securityTokenReference.setNs(ns_wsse)
    keyIdentifier = libxml2.newNode("KeyIdentifier")
    keyIdentifier.setNs(ns_wsse)
    keyIdentifier.setProp("EncodingType", ENCODING_BASE64)
    keyIdentifier.setProp("ValueType", TOKEN_REFERENCE_VALUE_TYPE_SKI)
    keyIdentifier.addChild(libxml2.newText(base64.encodestring(ski)))
    securityTokenReference.addChild(keyIdentifier)
    keyInfo.addChild(securityTokenReference)

    signature.addChild(signatureValue)
    signature.addChild(keyInfo)

    # OK, return the updated doc
    return doc
Beispiel #38
0
def string_to_xmlnode(doc, value):
    return libxml2.newText(str(value))
Beispiel #39
0
 def makeDocElement(name, content):
     node = libxml2.newNode(name)
     node.addChild(libxml2.newText(content))
     return node