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Enable external module imports in Function-node

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Enable whitelist support to pick external modules which are allowed in
Function-node. The environment variable NODE_FUNCTION_ALLOW_EXTERNAL specifies
the list of modules to whitelist.
This commit is contained in:
Ram Yalamanchili
2019-12-26 18:49:48 -08:00
parent b3f3ce25dd
commit 04cdb08906
2 changed files with 16 additions and 7 deletions
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13
docs/configuration.md
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@@ -100,11 +100,13 @@ export N8N_CUSTOM_EXTENSIONS="/home/jim/n8n/custom-nodes;/data/n8n/nodes"
```
## Use built-in modules in Function-Nodes
## Use built-in and external modules in Function-Nodes
By default is it for security reasons not allowed to import modules in Function-Nodes.
It is, however, possible to lift that restriction for built-in modules by setting the
environment variable `NODE_FUNCTION_ALLOW_BUILTIN`.
For security reasons, importing modules is restricted by default in Function-Nodes.
It is, however, possible to lift that restriction for built-in and external modules by
setting the following environment variables:
`NODE_FUNCTION_ALLOW_BUILTIN`: For builtin modules
`NODE_FUNCTION_ALLOW_EXTERNAL`: For external modules sourced from n8n/node_modules directory. External module support is disabled when env variable is not set.
```bash
# Allows usage of all builtin modules
@@ -115,6 +117,9 @@ export NODE_FUNCTION_ALLOW_BUILTIN=crypto
# Allows usage of only crypto and fs
export NODE_FUNCTION_ALLOW_BUILTIN=crypto,fs
# Allow usage of external npm modules. Wildcard matching is not supported.
export NODE_FUNCTION_ALLOW_EXTERNAL=moment,lodash
```