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April 14, 2023 08:29
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Cross origin front-end HTTP API proxy
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| <script type="module"> | |
| window.addEventListener('message', async(event) => { | |
| if (event.origin.match(/jenkins.internal.sifive.com/)) return; | |
| if (! event.origin.match(/^http:\/\/localhost:|internal.sifive.com/)) return; | |
| const path = event.data; | |
| const resp = await fetch(path); | |
| const json_data = await resp.json(); | |
| window.parent.postMessage(json_data, event.origin); | |
| }); | |
| </script> |
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| <html><head></head><body> | |
| <iframe hidden src="https://myjenkins/userContent/cross-origin-proxy.html"></iframe> | |
| <script type="module"> | |
| const iframe = document.querySelector('iframe'); | |
| const source = new URL(iframe.src); | |
| document.querySelector('iframe').addEventListener('load', (event) => { | |
| window.addEventListener('message', receiver); | |
| iframe.contentWindow.postMessage('/computer/api/json', source.origin); | |
| }); | |
| function receiver(event) { | |
| if (event.origin != source.origin) return; | |
| const json_data = event.data; | |
| console.log('=>', json_data); | |
| } | |
| </script> | |
| </body></html> |
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