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DOCS additional note to keeping uploaded files secure

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Touching up the documentation for userforms to advise how uploaded files can be kept secure.

Related (but does not address) #927
This commit is contained in:
brynwhyman 2020-01-31 15:51:18 +13:00
parent 52ca4c8de9
commit 0106683d57
2 changed files with 7 additions and 4 deletions
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10
docs/en/userguide/field-types.md
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@ -52,11 +52,13 @@ The folder that this field uploads to can be customised by selecting "Show Optio
and then selecting a new folder from the "Select upload folder" option. If no folder and then selecting a new folder from the "Select upload folder" option. If no folder
is selected it will upload by default to the "Uploads" folder. is selected it will upload by default to the "Uploads" folder.
Only certain file extensions are considered safe for upload, If the default "Uploads" folder is used, or if you choose a folder that does not have additional CMS access permissions set, you may be exposing files uploaded via your form to the public, as well as anyone with access to the CMS.
e.g. webserver script files will be denied but images will be allowed.
The webserver environment also imposes a limit on file size by default. You can set any permission requirements on the upload folder by finding it in the "Files" area, clicking on it to edit and going to the "Permissions" tab.
Only certain file extensions are considered safe for upload,
e.g. webserver script files will be denied but images will be allowed. The webserver environment also imposes a limit on file size by default.
You can set any permissions requirements on the upload folder by finding it in the "Files" area, clicking on it to edit and going to the "Permissions" tab.
## Heading ## Heading

1
docs/en/userguide/index.md
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@ -21,6 +21,7 @@ This is your responsibility, but here are a few tips to get you started:
* Ensure you have the necessary consents for processing and storing data according to your legislation (e.g. GDPR) * Ensure you have the necessary consents for processing and storing data according to your legislation (e.g. GDPR)
* Only accept form submissions via encrypted transfers (HTTPS) - check our [Secure Coding](https://docs.silverstripe.org/en/4/developer_guides/security/secure_coding/) guidelines * Only accept form submissions via encrypted transfers (HTTPS) - check our [Secure Coding](https://docs.silverstripe.org/en/4/developer_guides/security/secure_coding/) guidelines
* Control access to form submissions (via CMS page access controls) * Control access to form submissions (via CMS page access controls)
* Control access to files uploaded with submissions (via [folder access controls](field-types/#file-upload-field))
* Create a process to limit the types of data you are allowed to collect via this feature (e.g. no payment information or health data) * Create a process to limit the types of data you are allowed to collect via this feature (e.g. no payment information or health data)
* Create a process for limiting submission storage duration (manual deletion) * Create a process for limiting submission storage duration (manual deletion)
* Consider further safeguards such as at-rest encryption (check [encryption related addons](https://addons.silverstripe.org/add-ons?search=encrypt)) * Consider further safeguards such as at-rest encryption (check [encryption related addons](https://addons.silverstripe.org/add-ons?search=encrypt))