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feat: add license info to js, for LibreJS compatibility

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[LibreJS][0] is a browser extension developed by GNU which ensures only Free (libre) JavaScript is run. To determine whether given JavaScript is Free, LibreJS consults metadata included in the JavaScript file. Since Miniflux is Free Software, getting its JavaScript to work when LibreJS is installed is just a matter of adding license metadata to the returned JavaScript source.

[0]: https://www.gnu.org/software/librejs/index.html
This commit is contained in:
Piper McCorkle 2024-08-11 16:13:15 -05:00 committed by Frédéric Guillot
parent ade412f453
commit ee926e73cb
1 changed files with 8 additions and 0 deletions
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8
internal/ui/static_javascript.go
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@ -6,6 +6,7 @@ package ui // import "miniflux.app/v2/internal/ui"
import (
"fmt"
"net/http"
"strings"
"time"
"miniflux.app/v2/internal/http/request"
@ -15,6 +16,9 @@ import (
"miniflux.app/v2/internal/ui/static"
)
const licensePrefix = "//@license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7&dn=apache-2.0.txt Apache-2.0\n"
const licenseSuffix = "\n//@license-end"
func (h *handler) showJavascript(w http.ResponseWriter, r *http.Request) {
filename := request.RouteStringParam(r, "name")
etag, found := static.JavascriptBundleChecksums[filename]
@ -31,6 +35,10 @@ func (h *handler) showJavascript(w http.ResponseWriter, r *http.Request) {
contents = append([]byte(variables), contents...)
}
// cloning the prefix since `append` mutates its first argument
contents = append([]byte(strings.Clone(licensePrefix)), contents...)
contents = append(contents, []byte(licenseSuffix)...)
b.WithHeader("Content-Type", "text/javascript; charset=utf-8")
b.WithBody(contents)
b.Write()