70 lines
2.4 KiB
Go
70 lines
2.4 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"io"
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"ippserver/packages/ipp"
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"net/http"
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"net/url"
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"strings"
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log "github.com/sirupsen/logrus"
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)
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const printerURI = "brn30055cb5e3ae.local:631/ipp/print"
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func handlePrintJob(r *ipp.Request, byteStream io.Reader, requestID uint32) *ipp.Response {
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// This request is what will be sent to the real printer
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request := ipp.NewRequest(ipp.PrintJob, requestID)
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request.AddOperatonAttribute(ipp.NewCharSetValue("attributes-charset", "utf-8"))
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request.AddOperatonAttribute(ipp.NewNaturalLanguage("attributes-natural-language", "en"))
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request.AddOperatonAttribute(ipp.NewURIValue("printer-uri", "ipp://"+printerURI))
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request.AddOperatonAttribute(r.GetAttribute("requesting-user-name"))
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request.AddOperatonAttribute(r.GetAttribute("job-name"))
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request.AddOperatonAttribute(ipp.NewMimeMediaType("document-format", "image/pwg-raster"))
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request.AddJobAttribute(r.GetAttribute("sides"))
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request.AddJobAttribute(r.GetAttribute("media"))
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request.AddJobAttribute(r.GetAttribute("print-color-mode"))
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request.AddJobAttribute(r.GetAttribute("printer-resolution"))
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request.AddJobAttribute(r.GetAttribute("output-bin"))
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log.Infof("Downstream request\n%v\n", request)
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downStreamRequest := request.Marshal()
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b := bytes.NewBuffer(downStreamRequest)
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mr := io.MultiReader(b, byteStream)
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downStreamResponse, err := http.Post("http://"+"brn30055cb5e3ae.local:631/ipp/print", "application/ipp", mr)
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if err != nil {
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fmt.Print(err)
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}
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rb := ipp.NewResponse(0, 0)
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rb.UnMarshal(downStreamResponse.Body)
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log.Infof("Downstream response\n%v\n", rb)
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response := ipp.NewResponse(ipp.SuccessfulOk, r.RequestID())
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response.AddOperatonAttribute(ipp.NewCharSetValue("attributes-charset", "utf-8"))
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response.AddOperatonAttribute(ipp.NewNaturalLanguage("attributes-natural-language", "en"))
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jua := rb.GetAttribute("job-uri").(*ipp.URIValue)
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if jua != nil {
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u, err := url.Parse(jua.Value())
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if err != nil {
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log.Error("could not parse job-uri")
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}
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l := strings.Split(u.Path, "/")
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j := l[len(l)-1]
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joburi := r.GetAttribute("printer-uri").(*ipp.URIValue).Value() + "/" + j
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log.Infof(">>>>>>>>>>>>>>>>>>>>>>joburi: %v", joburi)
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response.AddJobAttribute(ipp.NewURIValue("job-uri", joburi))
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}
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response.AddJobAttribute(rb.GetAttribute("job-id"))
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response.AddJobAttribute(rb.GetAttribute("job-state"))
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response.AddJobAttribute(rb.GetAttribute("job-state-reasons"))
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return response
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}
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