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/3.5/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/3.5/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.*
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cypher-shell.bat 2KB neo4j-import.bat 935B neo4j-admin.bat 934B neo4j.bat 928B neo4j.cer 1KB neo4j.conf 16KB
prunsrv-amd64.exe 107KB prunsrv-i386.exe 85KB
cypher-shell.jar 27.97MB neo4j-cypher-compiler-3.1-3.1.9.jar 9.8MB eclipse-collections-9.2.0.jar 9.56MB neo4j-cypher-compiler-2.3-2.3.12.jar 7.88MB neo4j-browser-4.4.5.jar 6.45MB bcprov-jdk15on-1.68.jar 5.69MB scala-library-2.11.12.jar 5.48MB neo4j-lucene-upgrade-3.5.35.jar 4.69MB scala-reflect-2.11.12.jar 4.41MB netty-all-4.1.68.Final.jar 4.31MB zstd-jni-1.3.8-6.jar 3.7MB neo4j-kernel-3.5.35.jar 3.67MB openCypher-frontend-1-3.4.18.jar 3.44MB neo4j-cypher-frontend-2.3-2.3.12.jar 3.26MB neo4j-cypher-frontend-3.1-3.1.9.jar 3.01MB neo4j-cypher-interpreted-runtime-3.5.35.jar 2.95MB lucene-core-5.5.5.jar 2.26MB neo4j-cypher-planner-3.5-3.5.35.jar 2.22MB neo4j-cypher-planner-3.4-3.4.18.jar 2.11MB neo4j-cypher-3.5.35.jar 2.09MB lucene-analyzers-common-5.5.5.jar 1.5MB jackson-databind-2.13.2.2.jar 1.46MB neo4j-ast-3.5-3.5.35.jar 1.36MB eclipse-collections-api-9.2.0.jar 1.17MB commons-compress-1.21.jar 994KB jaxb-runtime-2.3.2.jar 990KB neo4j-parser-3.5-3.5.35.jar 956KB caffeine-2.9.2.jar 904KB bcpkix-jdk15on-1.68.jar 867KB ipaddress-5.3.3.jar 849KB neo4j-cypher-logical-plans-3.5-3.5.35.jar 838KB neo4j-expressions-3.5-3.5.35.jar 825KB neo4j-cypher-expression-3.4-3.4.18.jar 808KB neo4j-cypher-logical-plans-3.4-3.4.18.jar 741KB neo4j-rewriting-3.5-3.5.35.jar 711KB jetty-server-9.4.43.v20210629.jar 700KB jersey-server-1.19.3.jar 688KB neo4j-cypher-runtime-util-3.5.35.jar 657KB neo4j-cypher-ir-3.5-3.5.35.jar 613KB neo4j-server-3.5.35.jar 565KB jetty-util-9.4.43.v20210629.jar 562KB neo4j-util-3.5-3.5.35.jar 551KB neo4j-cypher-ir-3.4-3.4.18.jar 532KB commons-lang3-3.8.jar 490KB neo4j-codegen-3.5.35.jar 461KB neo4j-cypher-util-3.4-3.4.18.jar 439KB jersey-core-1.19.3.jar 424KB lucene-codecs-5.5.5.jar 409KB lucene-queryparser-5.5.5.jar 394KB neo4j-consistency-check-3.5.35.jar 393KB jackson-core-2.13.2.jar 366KB commons-configuration-1.10.jar 354KB neo4j-values-3.5.35.jar 352KB FastInfoset-1.2.16.jar 310KB neo4j-lucene-index-3.5.35.jar 303KB commons-lang-2.6.jar 278KB neo4j-bolt-3.5.35.jar 269KB neo4j-front-end-3.5-3.5.35.jar 248KB parboiled-scala_2.11-1.1.7.jar 228KB neo4j-kernel-api-3.5.35.jar 224KB jetty-http-9.4.43.v20210629.jar 219KB neo4j-graphdb-api-3.5.35.jar 213KB commons-io-2.6.jar 210KB checker-qual-3.10.0.jar 202KB neo4j-io-3.5.35.jar 202KB neo4j-index-3.5.35.jar 201KB parboiled-core-1.1.7.jar 182KB commons-text-1.4.jar 179KB jetty-io-9.4.43.v20210629.jar 175KB neo4j-graph-algo-3.5.35.jar 150KB neo4j-legacy-3.5.35.jar 143KB jetty-servlet-9.4.43.v20210629.jar 142KB neo4j-common-3.5.35.jar 139KB neo4j-cypher-planner-spi-3.5-3.5.35.jar 138KB jetty-webapp-9.4.43.v20210629.jar 137KB neo4j-collections-3.5.35.jar 134KB neo4j-fulltext-index-3.5.35.jar 131KB jersey-servlet-1.19.3.jar 126KB jaxb-api-2.3.0.jar 123KB server-api-3.5.35.jar 120KB jetty-security-9.4.43.v20210629.jar 116KB neo4j-cypher-planner-spi-3.4-3.4.18.jar 115KB concurrentlinkedhashmap-lru-1.4.2.jar 114KB jakarta.xml.bind-api-2.3.2.jar 113KB neo4j-dbms-3.5.35.jar 111KB neo4j-data-collector-3.5.35.jar 107KB neo4j-csv-3.5.35.jar 100KB neo4j-logging-3.5.35.jar 96KB javax.servlet-api-3.1.0.jar 94KB neo4j-3.5.35.jar 91KB jackson-annotations-2.13.2.jar 74KB txw2-2.3.2.jar 70KB共 168 条
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