XML-Director
Project description
xmldirector.plonecore
xmldirector.plonecore is the technical foundation of the XML-Director project (www.xml-director.info). The goal of the XML-Director project is building an enterprise-level XML content management system on top of the CMS Plone (www.plone.org) with support for XML databases like eXis-db or Base-X. However the underlaying implementation can also be used to mount arbitrary backend through WebDAV into Plone.
xmldirector.plonecore integrates Plone 4.3 or 5.1 with eXist-db or Base-X or providing the following features:
mounts an arbitary eXist-db or Base-X collection into Plone
ACE editor integration
ZIP export from eXist-db or Base-X
ZIP import into eXist-db or Base-X
pluggable view mechanism for configuring custom views for XML database content by filename and view name
create, rename or delete collections through the web
extensible architecture through Plone Dexterity behaviors
support for XQuery scripts called through the RESTXQ layer of eXist-db (allows you to call XQuery scripts and return the output format (JSON, HTML, XML) depending on your application requirements)
dedicated per-connector logging facility
small and extensible
experimental support for mounting arbitrary WebDAV service into Plone
XMLText - a field for storing XML content in BaseX or eXist-db
XPathField - for retrieving parts of XML content stored within a XMLText field through an XPath expression (e.g. for extracting and displaying metadata from XML content)
XMLBinary and XMLImage fields for storing binary data and images in BaseX or eXist-db. The functionality is identical with the standard Dexterity file and image fields (except for the different storage layer)
The primary usecase for xmldirector.plonecore is the integration of XML document collections into Plone using eXist-db or Base-X as storage layer. xmldirector.plonecore is not storage layer for Plone content in the first place although it could be used in some way for storing primary Plone content (or parts of the content) inside eXist-db or Base-X. There is no build-in support for mapping metadata as stored in XML documents to Plone metadata or vice versa. However this could be implemented easily in application specific code build on top of xmldirector.plonecore. The design goal of xmldirector.plonecore is to provide the basic functionality for integrating Plone with eXist-db or Base-X without implementing any further specific application requirements. Additional functionality can be added through Dexterity behaviors, supplementary browser views, event lifecycle subscribers and related technology.
Requirements
Plone 4.3 (tested)
Plone 5.0 (tested)
Plone 5.1 (tested)
Supported backends:
eXist-db 2.2 and 3.0
Base-X >= 8.2
OwnCloud
Alfresco
Marklogic Server
Dropbox (via dropdav.com (Dropbox to WebDAV bridge, paid SaaS) or via xmldirector.dropbox)
AWS S3
Cloud federation services
Otixo.com
Storagemadeeasy.com
experimental support for the following backends/protocols (don’t use XML Director with these protocols/backends in production):
FTP (working in general, open issues with the connection pool)
SFTP (working in general, open issues with the connection pool)
Configuration
Goto the Plone control panel and click on the XML-Director Core configlet and configure the your service
ExistDB
username and password required to access your XML database over WebDAV
BaseX
username and password required to access your XML database over WebDAV
Owncloud
username and password required to access your Owncloud instance over WebDAV
Alfresco
username and password required to access your Alfresco instance over WebDAV
Dropbox (via dropdav.com SaaS)
username and password required of your dropdav.com account
Dropbox (via xmldirector.dropbox)
dropbox://dropbox.com
access to Dropbox must be authenticated using OAuth (see xmldirector.dropbox documentation)
SME (storagemadeeasy.com)
username and password required of your storagemadeeasy.com account
Otixo.com
username and password required of your otixo.com account
Local filesystem
no support for credentials, the referenced filesystem must be readable (and writable)
AWS S3
s3://bucketname
enter your AWS access key as username and the AWS secret key as password
you need to install the boto module (either using pip or using zc.buildout)
FTP
username and password that are necessary to access the configured directory path through FTP
SFTP
sftp://hostname/path/to/directory
username and password that are necessary to access the configured directory path through SFTP. Username and password can be omitted in case the XML Director server (your Plone instance) has access using SSH keys (without passphrase) to the remote SFTP service. The handling of username + password vs. SSH authentication using SSH keys is currently under investigation and might change in a further release.
Protocol/Service |
Native support |
3rd-party SaaS support (e.g. Otixo.com, storagemadeeasy.com) |
|---|---|---|
Local filesystem |
Yes |
No |
WebDAV |
Yes |
Yes |
ExistDB 2.2/3.0 |
Yes |
Yes |
BaseX 8.3 |
Yes |
Yes |
Amazon AWS S3 |
Yes |
Yes |
Alfresco |
Yes |
Yes |
Owncloud |
Yes |
Yes |
Dropbox |
(experimental) |
Yes |
SFTP |
(experimental) |
Yes |
FTP |
(experimental) |
Yes |
Using xmldirector.plonecore
The package provides a new content-types Connector that will include eXist-db or Base-X into Plone - either from the top-level collection of your eXist-db/Base-X database or from a subcollection. You can browse and traverse into subcollections, view single documents or edit text-ish content through the web (using the build-in ACE editor integration).
All connection settings (URL, username and password can be overriden on the connector level) in order to ignore the Plone site-wide eXist-db settings).
Dexterity fields
xmldirector.plonecore comes with the following Dexterity fields that can be either used programmatically in your own field schema or through-the-web.
XMLText
The XMLText can be used to store valid XML content. The field is rendered without Plone using the ACE editor. You can perform a client-side XML validation within the edit mode of a document by clicking on the Validate XML button. A document with invalid XML content can not be submitted or saved. Invalid XML will be rejected with an error message through the edit form.
XMLXPath
The XMLXPath field can be used to reference an XMLText field in order to display a part of the XML content using an XPath expression.
Example
An XMLPath field with field name myxml might contain the following XML content:
<?xml version="1.0"?>
<doc>
<metadata>
<title>This is a text</title>
</metdata>
<body>....</body>
</doc>
In order to extract and display the <title> text within a dedicated Dexterity field you can use the following extended expression:
field=<fieldname>,xpath=<xpath expression>
In this case you would use:
field=myxml,xpath=/doc/metadata/title/text()
Note that the current syntax is very rigid and does not allow any whitespace characters expect within the <xpath expression>.
XMLBinary, XMLImage
Same as file and image field in Plone but with BaseX or eXist-db as storage layer.
License
This package is published under the GNU Public License V2 (GPL 2)
Source code
Bugtracker
Travis-CI
All releases and code changes to XML Director are automatically tested against various combinations of Plone and backend versions. The current test setup consists of 14 different combinations against the most common databases and services. See https://github.com/xml-director/xmldirector.plonecore/blob/master/.travis.yml for testing details. A complete test run consists of over 1400 single tests.
See https://travis-ci.org/xml-director/xmldirector.plonecore
Credits
The development of xmldirector.plonecore was funded as part of a customer project by Deutsche Gesellschaft für Hämatologie und medizinische Onkologie (DGHO).
Changelog
2.1.1 (2017-07-23)
fixed JS issue in rename action
2.1.0 (2017-04-04)
compatibility with Plone 5.1
2.0.4 (2017-01-10)
pinned fs==0.5.4
2.0.3 (2016-12-05)
minor bug fixes
2.0.2 (2016-08-26)
added explicit setContext() to BaseWrapper class for setting a custom connector class
2.0.0 (2016-08-18)
full compatibility with Plone 5.0 (limited to Plone 5.1 alpha)
replaced DataTables.net with agGrid
major UI changes
updated to latest ACE version
switch to Dropzone.js for multi-file uploads
1.6.1 (2016-04-08)
improved unicode filename handling across drivers
PEP8 fixes
1.6.0 (2016-03-18)
experimental native Dropbox support (requires installed ‘dropbox’ SDK for Python using ‘pip install dropbox’ or by adding ‘dropbox’ as dependency inside your buildout) - not ready for production
workaround for sporadic open() failures with Exist-DB: open() will be tried up to three times (with a slight delay between calls in order to give the backend a chance to recover in between)
support for latest plone.api releases (which minor monkey patch)
move restapi permission checks to ZCML configuration
updated to ACE 1.2.3
updated to DataTables 1.10.11
support for latest plone.api release
1.5.0 (2016-02-17)
huge internal renaming: renamed all webdav_* variables to connector_*
adjusted tests to Marc Logic Server
1.4.2 (2016-02-02)
fix in restapi in the context of local fs tests
1.4.1 (2016-01-18)
pass query string down to redirection call within __call__()
1.4.0 (2016-01-11)
new REST API
1.3.0 (2015-12-20)
added ‘create_if_not_existing’ parameter to webdav_handle() method
added ensuredir() to wrapper base class
1.3.0b1 (2015-10-15)
support for OSFS (local filesystem), S3
individual per-connector URL configuration
support for multi-file uploads
unicode fixes in the context of testing federated cloud solutions
massive amount of smaller internal and UI fixes
lots of testing with different storage backends
updated tests
1.2.0 (2015-09-29)
refactored zip export functionality
new supported WebDAV storage backends:
Alfresco
Owncloud
Dropbox (via dropdav.com SaaS)
1.1.1 (2015-08-25)
updated selenium version pin
better encapsulation of the DataTables Javascript initialization code in local.js
fixed integration bug in Plone 5.0
1.1.0 (2015-08-21)
some CSS styles fine-tuning
added optional dirs parameter to ZIP export API for exporting only a subset of the export directory structure
added control panel functionality for installing Exist-DB specific RESTXQ script (e.g. all-locks.xql which is needed by the lockmanager introspection control panel for getting hold of all locks).
ZIP import now works inside the given subdirectory and no longer only on the top level directory of the connector
delete actions for collections and collection items
delete actions now ask for confirmation
massive speedup of ZIP import by reducing and caching WebDAV operations
using Datatables.net for collections and collection items
ZIP export/import is now more robust with directories or filenames containing non-ascii characters
improved Plone 5.0 integration
1.0.4 (2015-07-22)
updated ACeditor to version 1.2.0
1.0.3 (2015-07-22)
using DataTables.net for connector logging view instead of TableUtils JS
1.0.2 (2015-06-12)
updated Saxon 6.0.6HE
added get_last_user(), get_last_date() to logger API for getting hold of the username performing the last logger entry
1.0.0 (2015-05-30)
using defusedxml module for protecting XML Director against malicious data and XML related security attacks
added support for ‘force_default_view’ URL parameter to enforce redirection to the default anonymous view
support for logging HTML messages
0.4.2 (2015-04-11)
updated lxml, cssselect dependencies to newest versions
analyzed XSD parsing slowness and logging/warning long-running XSD parsing
first serious take on Plone 5.0 compatibility on the UI level (backend tests have been always passing but we had serious UI issues until 5.0 beta 1 and there are still issues). Plone 5 beta support is work-in-progress and not fully completed.
0.4.1 (2015-04-07)
added entry_by_uuid() to PersistentLogAdapter API
fixed unicode issues with uploaded binaries/images with non-ascii filenames
added ‘version_suffix’ parameter to parser_folder() of validator registry
Javascript cleanup
0.4.0 (2015-02-18)
added @@transformer-registery view
added @@transformer-registery-view view
updated xmldirector.demo to use Transformer registry
added (optional) debug option for debugging Transformer steps (input and output data of a step is written to disk)
added more tests
support for XSLT2+3 transformations by integrating Saxon 9.6 HE
0.3.6 (2015-02-06)
re-added Dexterity tests
added validator registry for XML schemas, DTDs, Schematron files and RelaxNG schemas
added @@validator-registry view
added unified validation API based on registered validation files
documented validator registry
0.3.5 (2015-01-30)
rewritten persistent logger internals: now uses an OOBTree for holding all logging entries instead of a persistent list in order to support filtering of log entries by min-max values
logger table now uses a paginated view with searchable columns
webdav password setting is no longer required (empty password allowed)
fixed Webdav authentication issue with empty passwords
moved demo related code into a dedicated package xmldirector.demo
0.3.4 (2015-01-13)
default view handler accept a custom request/filename argument in order to override the name of downloaded file
fixed bug in view registry with BrowserView as view handler
added PersistentLoggerAdapter for adopting arbitrary persistent objects for persistent logging through a Zope annotation
0.3.3 (2015-01-05)
running the tests should not leave any testing directory traces within the XML databases
almost 100% test coverage for the core functionality
more tests
added documentation on content-types
0.3.2 (2014-12-30)
SHA256 calculation for xml content now generated in a more stable way (but possibly much slower way)
API for service-side XML validation
added Docker support
added XSLT registry
added Shakespeare XML data for XMLDocument demo content-type
added ‘test_all.sh’ script for running tests against BaseX and eXist-db Docker containers
0.3.1 (2014-12-12)
added Test connection button to controlpanel
moved test content type into a dedicated profile democontent
Moved metadata handling from JSON to XML on the storage layer in order to let the underlaying database index the .metadata.xml files as well
0.3.0 (2014-12-11)
renamed zopyx.existdb to xmldirector.plonecore
experimental Dexterity support with four new fields:
XMLText - for XML content
XMLXPath - for referencing XMLText parts through an XPath expression
XMLImage and XMLBinary - same as image and file fields in Dexterity but with eXist-db as storage layer
removed emulation configuration option
added plone.app.dexterity as dependency
upgraded to ACE editor V 1.1.8
added progressbar for zip_upload()
added support for importing a single file through the ZIP import form into the current subdirectory
0.2.11 (2014-11-08)
updated documentation
0.2.10 (2014-11-08)
bugfix release
0.2.9 (2014-11-01)
support for overriding credentials locally
0.2.8 (2014-11-01)
minor fix for mounting Plone sites over WebDAV into another Plone site
0.2.7 (2014-11-01)
experimental support for BaseX XML database through the WebDAV API. Limitations: REMOVE operations over WebDAV do not seem to work against BaseX 7.9
0.2.6 (2014-11-01)
more tests
0.2.5 (2014-10-30)
experimental traversal support for accessing WebDAV resources by path using (un)restrictedTraverse()
minor URL fixes
more tests
0.2.4 (2014-10-22)
configuration option for default view for authenticated site visitors
0.2.3 (2014-10-13)
fix in saving ACE editor content
0.2.2 (2014-10-12)
typo in page template
0.2.1 (2014-10-12)
added support for renaming a collection through the web
0.2.0 (2014-10-02)
various minor bug fixes
added basic tests
0.1.17 (2014-09-25)
fixed action links
0.1.16 (2014-09-25)
Connector is no longer a folderish object
0.1.15 (2014-09-22)
removed indexing support completely (leaving a specific indexing functionality to policy packages using zopyx.existdb)
0.1.14 (2014-09-15)
fixed subpath handling in create/remove collections
0.1.13 (2014-09-07)
support for removing collections TTW
0.1.12 (2014-09-05)
support for creating new collections TTW
0.1.11 (2014-08-21)
action “Clear log” added
0.1.10 (2014-08-05)
log() got a new ‘details’ parameter for adding extensive logging information
0.1.9 (2014-08-01)
human readable timestamps
0.1.8 (2014-07-31)
minor visual changes
0.1.7 (2014-07-29)
rewritten code exist-db browser code (dealing the correct way with paths, filenames etc.)
0.1.6 (2014-07-29)
fixed improper view prefix in directory browser
0.1.5 (2014-07-13)
minor fixes and cleanup
0.1.4 (2014-07-12)
made webservice query API aware of all output formats (xml, html, json)
timezone handling: using environment variable TZ for converting eXist-db UTC timestamps to the TZ timezone (or UTC as default) for display purposes with Plone
0.1.3 (2014-07-07)
added webservice API interface
various bug fixes
0.1.2 (2014-06-30)
various bug fixes
0.1.0 (2014-06-20)
initial release
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