Set up Simple OAI-PMH server on ToolForge

[bootsa]

Set up an instance of the Open Culture Consulting's OAI-PMH provider server on ToolForge.

[bootsa]

• Set up new toolforge tool -> https://enkore.toolforge.org/
• Create /public_html/ folder
• Install Open Culture OAI-PMH server using composer -> toolforge has Composer 1 installed by default, added local install of Composer 2 in ~/.local/bin and added to PATH environment variable (may not persist)
• Set up configuration -> oai_pmh/Configuration/Main.php
• Test Indentify -> https://enkore.toolforge.org/oai_pmh/?verb=Identify
• Test Listing -> https://enkore.toolforge.org/oai_pmh/?verb=ListRecords&metadataPrefix=oai_dc
• Move Data directory out of public view and test
• Validate with BASE Search http://oval.base-search.net/ -> Fails on several points:
  

Outstanding issues

• Resolve Blocked loading mixed active content of XSLT formatter (minor) - app seems to serve XSLT via http which conflicts with toolforge's https

Notes

• No need to set up robots.txt as toolforge defaults to "fails closed"
• Activate terminal colours and completion after becoming the tool account by running source ~/.bashrc

[bootsa]

index.php fails to recognise HTTPS in section:

// Get current base URL
$baseURL = $_SERVER['HTTP_HOST'].parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
if (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') {
    $baseURL = 'https://'.$baseURL;
} else {
    $baseURL = 'http://'.$baseURL;
}

Which results in not passing HTTPS on to XSLT and invalidating the Identify output.

Unsure why $_SERVER['HTTPS'] is returning null so have just commented out the offending lines for the moment.

[bootsa]

Successfully got minimum DC entries recognised on our dataset 🎉

[bootsa]

Incremental harvesting error appears incorrect as endpoint seems to return entries correctly within date ranges, e.g. (currently)

• https://enkore.toolforge.org/oai_pmh/?verb=ListRecords&metadataPrefix=oai_dc&from=2022-03-22&until=2022-03-23 returns 75 records
• https://enkore.toolforge.org/oai_pmh/?verb=ListRecords&metadataPrefix=oai_dc&from=2022-03-23&until=2022-03-24 returns 41 records

Is it complaining because it returns no records when from and until are set to the same date? e.g. https://enkore.toolforge.org/oai_pmh/?verb=ListRecords&metadataPrefix=oai_dc&from=2022-03-23&until=2022-03-23

Maybe this is an issue with the validator as it also flags the same issue when running against the Zenodo OAI-PMH endpoint (https://zenodo.org/oai2d)