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53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"os"
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"github.com/http-wasm/http-wasm-guest-tinygo/handler"
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"github.com/http-wasm/http-wasm-guest-tinygo/handler/api"
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)
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type config struct {
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File string `json:"file"`
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Envs []string `json:"envs"`
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}
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var cfg config
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// Built with
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// tinygo build -o plugin.wasm -scheduler=none --no-debug -target=wasi ./demo.go
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func main() {
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err := json.Unmarshal(handler.Host.GetConfig(), &cfg)
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if err != nil {
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handler.Host.Log(api.LogLevelError, fmt.Sprintf("Could not load config %v", err))
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os.Exit(1)
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}
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handler.HandleRequestFn = handleRequest
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}
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func handleRequest(req api.Request, resp api.Response) (next bool, reqCtx uint32) {
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var bodyContent []byte
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if cfg.File != "" {
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var err error
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bodyContent, err = os.ReadFile(cfg.File)
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if err != nil {
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resp.SetStatusCode(http.StatusInternalServerError)
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resp.Body().Write([]byte(fmt.Sprintf("error reading file %q: %w", cfg.File, err.Error())))
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return false, 0
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}
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}
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if len(cfg.Envs) > 0 {
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for _, env := range cfg.Envs {
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bodyContent = append(bodyContent, []byte(os.Getenv(env)+"\n")...)
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}
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}
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resp.Body().Write(bodyContent)
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return false, 0
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}
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