Neo4j Extensions
================
Neo4j can be extended by writing custom code which can be invoked directly from Cypher,
as described in the developer manual at https://neo4j.com/docs/developer-manual/current/extending-neo4j/
These extensions are user defined procedures, user defined functions or security plugins. They are written in Java
and compiled into jar files. They can be deployed to the database by dropping a JAR file into the $NEO4J_HOME/plugins
directory on each standalone or clustered server. The database must be re-started on each server to pick up new procedures.
Configuring Procedures
----------------------
There are two configuration settings in $NEO4J_HOME/conf/neoj4.conf that are relevant when deploying procedures
or user defined functions:
* dbms.security.procedures.unrestricted
* dbms.security.procedures.whitelist
These are described in more detail in the documentation at
https://neo4j.com/docs/operations-manual/current/security/securing-extensions/
Sandboxing
----------
Neo4j provides sandboxing to ensure that procedures do not inadvertently use insecure APIs. For example, when writing
custom code it is possible to access Neo4j APIs that are not publicly supported, and these internal APIs are subject
to change, without notice. Additionally, their use comes with the risk of performing insecure actions. The sandboxing
functionality limits the use of extensions to publicly supported APIs, which exclusively contain safe operations,
or contain security checks.
For example:
# Example sandboxing
dbms.security.procedures.unrestricted=my.extensions.example,my.procedures.*
White listing
-------------
White listing can be used to allow loading only a few extensions from a larger library.
The configuration setting dbms.security.procedures.whitelist is used to name certain procedures that should be
available from a library. It defines a comma-separated list of procedures that are to be loaded.
The list may contain both fully-qualified procedure names, and partial names with the wildcard *.
For example, to only load a subset of the APOC library of procedures:
# Example white listing
dbms.security.procedures.whitelist=apoc.coll.*,apoc.load.*
neo4j-community-4.1.3-unix.tar.gz （164个子文件） 
neo4j.conf 17KB cypher-shell 2KB
cypher-shell.jar 29.36MB apoc-4.1.0.3-core.jar 10.82MB eclipse-collections-10.2.0.jar 9.76MB neo4j-browser-4.1.2.jar 6.56MB scala-library-2.12.10.jar 5.03MB zstd-jni-1.4.4-11.jar 4.35MB bcprov-jdk15on-1.65.jar 4.25MB netty-all-4.1.48.Final.jar 3.97MB scala-reflect-2.12.10.jar 3.51MB lucene-core-8.5.1.jar 3.31MB neo4j-cypher-interpreted-runtime-4.1.3.jar 2.3MB neo4j-kernel-4.1.3.jar 1.63MB lucene-analyzers-common-8.5.1.jar 1.61MB neo4j-cypher-planner-4.1.3.jar 1.54MB neo4j-ast-4.1.3.jar 1.51MB reactor-core-3.3.5.RELEASE.jar 1.5MB jna-5.5.0.jar 1.44MB jackson-databind-2.11.0.jar 1.35MB eclipse-collections-api-10.2.0.jar 1.31MB neo4j-cypher-4.1.3.jar 1.19MB jersey-common-2.30.1.jar 1.11MB neo4j-cypher-logical-plans-4.1.3.jar 1.08MB jaxb-runtime-2.3.2.jar 990KB neo4j-record-storage-engine-4.1.3.jar 921KB jersey-server-2.30.1.jar 906KB caffeine-2.8.2.jar 859KB bcpkix-jdk15on-1.65.jar 859KB neo4j-expressions-4.1.3.jar 854KB neo4j-codegen-4.1.3.jar 778KB javassist-3.25.0-GA.jar 762KB jetty-server-9.4.26.v20200117.jar 661KB neo4j-rewriting-4.1.3.jar 652KB commons-compress-1.20.jar 618KB neo4j-cypher-runtime-util-4.1.3.jar 590KB commons-collections-3.2.2.jar 575KB neo4j-fabric-4.1.3.jar 561KB jetty-util-9.4.26.v20200117.jar 538KB commons-lang3-3.10.jar 511KB neo4j-consistency-check-4.1.3.jar 510KB neo4j-cypher-ir-4.1.3.jar 458KB neo4j-util-4.1.3.jar 443KB shiro-core-1.6.0.jar 404KB lucene-queryparser-8.5.1.jar 373KB neo4j-values-4.1.3.jar 373KB picocli-4.2.0.jar 355KB neo4j-bolt-4.1.3.jar 353KB jackson-core-2.11.0.jar 343KB parboiled-scala_2.12-1.2.0.jar 317KB FastInfoset-1.2.16.jar 310KB neo4j-server-4.1.3.jar 299KB jctools-core-3.0.0.jar 288KB neo4j-parser-4.1.3.jar 278KB neo4j-import-util-4.1.3.jar 250KB commons-beanutils-1.9.4.jar 241KB neo4j-common-4.1.3.jar 240KB jersey-client-2.30.1.jar 239KB neo4j-procedure-4.1.3.jar 233KB neo4j-index-4.1.3.jar 229KB neo4j-io-4.1.3.jar 220KB commons-io-2.6.jar 210KB neo4j-graphdb-api-4.1.3.jar 209KB neo4j-front-end-4.1.3.jar 207KB jetty-http-9.4.26.v20200117.jar 206KB commons-text-1.8.jar 202KB hk2-locator-2.6.1.jar 199KB hk2-api-2.6.1.jar 196KB neo4j-configuration-4.1.3.jar 192KB neo4j-kernel-api-4.1.3.jar 191KB parboiled-core-1.2.0.jar 189KB neo4j-lucene-index-4.1.3.jar 183KB neo4j-storage-engine-api-4.1.3.jar 162KB jetty-io-9.4.26.v20200117.jar 156KB neo4j-graph-algo-4.1.3.jar 154KB neo4j-collections-4.1.3.jar 143KB jakarta.ws.rs-api-2.1.6.jar 137KB lucene-backward-codecs-8.5.1.jar 136KB jetty-webapp-9.4.26.v20200117.jar 135KB neo4j-fulltext-index-4.1.3.jar 133KB neo4j-4.1.3.jar 132KB hk2-utils-2.6.1.jar 129KB jetty-servlet-9.4.26.v20200117.jar 128KB neo4j-cypher-planner-spi-4.1.3.jar 128KB javax.ws.rs-api-2.1.1.jar 124KB jaxb-api-2.3.0.jar 123KB jetty-security-9.4.26.v20200117.jar 115KB jakarta.xml.bind-api-2.3.2.jar 113KB neo4j-data-collector-4.1.3.jar 111KB neo4j-csv-4.1.3.jar 110KB neo4j-logging-4.1.3.jar 107KB neo4j-id-generator-4.1.3.jar 107KB neo4j-label-index-4.1.3.jar 99KB neo4j-schema-4.1.3.jar 97KB neo4j-dbms-4.1.3.jar 95KB neo4j-security-4.1.3.jar 95KB javax.servlet-api-3.1.0.jar 94KB jakarta.validation-api-2.0.2.jar 90KB jettison-1.4.1.jar 86KB jersey-media-jaxb-2.30.1.jar 84KB共 164 条
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