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[std-http] fix-header (#134)

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Reviewed-on: https://codeberg.org/Codeberg/pages-server/pulls/134
This commit is contained in:
6543 2022-11-11 06:38:09 +01:00
parent 4117775cf0
commit 7526873049
9 changed files with 72 additions and 75 deletions
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71
server/upstream/upstream.go
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@ -75,11 +75,15 @@ func (o *Options) Upstream(ctx *context.Context, giteaClient *gitea.Client) (fin
}
// Check if the browser has a cached version
if ifModifiedSince, err := time.Parse(time.RFC1123, string(ctx.Response().Header.Get(headerIfModifiedSince))); err == nil {
if !ifModifiedSince.Before(o.BranchTimestamp) {
ctx.RespWriter.WriteHeader(http.StatusNotModified)
return true
if ctx.Response() != nil {
if ifModifiedSince, err := time.Parse(time.RFC1123, string(ctx.Response().Header.Get(headerIfModifiedSince))); err == nil {
if !ifModifiedSince.Before(o.BranchTimestamp) {
ctx.RespWriter.WriteHeader(http.StatusNotModified)
log.Trace().Msg("check response against last modified: valid")
return true
}
}
log.Trace().Msg("check response against last modified: outdated")
}
log.Debug().Msg("Preparing")
@ -91,8 +95,8 @@ func (o *Options) Upstream(ctx *context.Context, giteaClient *gitea.Client) (fin
log.Debug().Msg("Aquisting")
// Handle errors
if (err != nil && errors.Is(err, gitea.ErrorNotFound)) || (reader == nil) {
// Handle not found error
if err != nil && errors.Is(err, gitea.ErrorNotFound) {
if o.TryIndexPages {
// copy the o struct & try if an index page exists
optionsForIndexPages := *o
@ -113,7 +117,7 @@ func (o *Options) Upstream(ctx *context.Context, giteaClient *gitea.Client) (fin
}
}
ctx.Response().StatusCode = http.StatusNotFound
ctx.StatusCode = http.StatusNotFound
if o.TryIndexPages {
// copy the o struct & try if a not found page exists
optionsForNotFoundPages := *o
@ -128,9 +132,27 @@ func (o *Options) Upstream(ctx *context.Context, giteaClient *gitea.Client) (fin
}
return false
}
if reader != nil && (err != nil || statusCode != http.StatusOK) {
log.Printf("Couldn't fetch contents (status code %d): %v\n", statusCode, err)
html.ReturnErrorPage(ctx, fmt.Sprintf("%v", err), http.StatusInternalServerError)
// handle unexpected client errors
if err != nil || reader == nil || statusCode != http.StatusOK {
log.Debug().Msg("Handling error")
var msg string
if err != nil {
msg = "gitea client returned unexpected error"
log.Error().Err(err).Msg(msg)
msg = fmt.Sprintf("%s: %v", msg, err)
}
if reader == nil {
msg = "gitea client returned no reader"
log.Error().Msg(msg)
}
if statusCode != http.StatusOK {
msg = fmt.Sprintf("Couldn't fetch contents (status code %d)", statusCode)
log.Error().Msg(msg)
}
html.ReturnErrorPage(ctx, msg, http.StatusInternalServerError)
return true
}
@ -149,26 +171,27 @@ func (o *Options) Upstream(ctx *context.Context, giteaClient *gitea.Client) (fin
return true
}
log.Debug().Msg("Handling error")
// Set ETag & MIME
ctx.Response().Header.Set(gitea.ETagHeader, header.Get(gitea.ETagHeader))
ctx.Response().Header.Set(gitea.PagesCacheIndicatorHeader, header.Get(gitea.PagesCacheIndicatorHeader))
ctx.Response().Header.Set(gitea.ContentLengthHeader, header.Get(gitea.ContentLengthHeader))
if o.ServeRaw {
ctx.Response().Header.Set(gitea.ContentTypeHeader, rawMime)
if eTag := header.Get(gitea.ETagHeader); eTag != "" {
ctx.RespWriter.Header().Set(gitea.ETagHeader, eTag)
}
if cacheIndicator := header.Get(gitea.PagesCacheIndicatorHeader); cacheIndicator != "" {
ctx.RespWriter.Header().Set(gitea.PagesCacheIndicatorHeader, cacheIndicator)
}
if length := header.Get(gitea.ContentLengthHeader); length != "" {
ctx.RespWriter.Header().Set(gitea.ContentLengthHeader, length)
}
if mime := header.Get(gitea.ContentTypeHeader); mime == "" || o.ServeRaw {
ctx.RespWriter.Header().Set(gitea.ContentTypeHeader, rawMime)
} else {
ctx.Response().Header.Set(gitea.ContentTypeHeader, header.Get(gitea.ContentTypeHeader))
ctx.RespWriter.Header().Set(gitea.ContentTypeHeader, mime)
}
if ctx.Response().StatusCode != http.StatusNotFound {
// Everything's okay so far
ctx.Response().StatusCode = http.StatusOK
}
ctx.Response().Header.Set(headerLastModified, o.BranchTimestamp.In(time.UTC).Format(time.RFC1123))
ctx.RespWriter.Header().Set(headerLastModified, o.BranchTimestamp.In(time.UTC).Format(time.RFC1123))
log.Debug().Msg("Prepare response")
ctx.RespWriter.WriteHeader(ctx.StatusCode)
// Write the response body to the original request
if reader != nil {
_, err := io.Copy(ctx.RespWriter, reader)