94 lines
2.4 KiB
Go
94 lines
2.4 KiB
Go
package main
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import (
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"log"
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"net/http"
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"git.balsys.eu.org/tomas/pocketbase/lubinui"
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"git.balsys.eu.org/tomas/pocketbase/ui"
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"github.com/pocketbase/pocketbase"
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"github.com/pocketbase/pocketbase/apis"
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"github.com/pocketbase/pocketbase/core"
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)
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func main() {
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app := pocketbase.New()
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app.OnServe().BindFunc(routes)
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app.OnRecordViewRequest().BindFunc(addLastModified)
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app.OnRecordUpdateRequest().BindFunc(ifUnmodifiedSince)
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app.OnRecordDeleteRequest().BindFunc(ifUnmodifiedSince)
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if err := app.Start(); err != nil {
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log.Fatal(err)
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}
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}
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func routes(se *core.ServeEvent) error {
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se.Router.GET("/admin/{path...}", apis.Static(ui.DistDirFS, false)).
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BindFunc(routeAdmin).
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Bind(apis.Gzip())
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se.Router.GET("/{path...}", apis.Static(lubinui.DistDirFS, true)).
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BindFunc(routeRoot).
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Bind(apis.Gzip())
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return se.Next()
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}
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func routeAdmin(e *core.RequestEvent) error {
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// ignore root path
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if e.Request.PathValue(apis.StaticWildcardParam) != "" {
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e.Response.Header().Set("Cache-Control", "max-age=1209600, stale-while-revalidate=86400")
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}
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// add a default CSP
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if e.Response.Header().Get("Content-Security-Policy") == "" {
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e.Response.Header().Set("Content-Security-Policy", "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' http://127.0.0.1:* https://tile.openstreetmap.org data: blob:; connect-src 'self' http://127.0.0.1:* https://nominatim.openstreetmap.org; script-src 'self' 'sha256-GRUzBA7PzKYug7pqxv5rJaec5bwDCw1Vo6/IXwvD3Tc='")
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}
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return e.Next()
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}
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func routeRoot(e *core.RequestEvent) error {
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// ignore root path
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if e.Request.PathValue(apis.StaticWildcardParam) != "" {
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e.Response.Header().Set("Cache-Control", "max-age=1209600, stale-while-revalidate=86400")
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}
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return e.Next()
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}
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func addLastModified(e *core.RecordRequestEvent) error {
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updated := e.Record.GetString("updated")
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if updated != "" {
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e.Response.Header().Add("Last-Modified", updated)
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}
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return e.Next()
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}
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func ifUnmodifiedSince(e *core.RecordRequestEvent) error {
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updated := e.Record.GetString("updated")
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if updated != "" {
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header := e.Request.Header.Get("If-Unmodified-Since")
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if header == "" || header != updated {
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e.Response.Header().Add("Last-Modified", updated)
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if header == "" {
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return e.Error(http.StatusPreconditionRequired, "Header If-Unmodified-Since is required", nil)
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} else if header != updated {
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return e.Error(http.StatusPreconditionFailed, "Record was modified after retrieval", nil)
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}
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}
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}
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return e.Next()
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}
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