Function GetForm

context/context.go:1812–1879

GetForm returns the request form (url queries, post or multipart) values.

(r *http.Request, postMaxMemory int64, resetBody bool)

// GetForm returns the request form (url queries, post or multipart) values.
func GetForm(r *http.Request, postMaxMemory int64, resetBody bool) (form map[string][]string, found bool) {
	/*
		net/http/request.go#1219
		for k, v := range f.Value {
			r.Form[k] = append(r.Form[k], v...)
			// r.PostForm should also be populated. See Issue 9305.
			r.PostForm[k] = append(r.PostForm[k], v...)
		}
	*/

	if form := r.Form; len(form) > 0 {
		return form, true
	}

	if form := r.PostForm; len(form) > 0 {
		return form, true
	}

	if m := r.MultipartForm; m != nil {
		if len(m.Value) > 0 {
			return m.Value, true
		}
	}

	if resetBody {
		// on POST, PUT and PATCH it will read the form values from request body otherwise from URL queries.
		if m := r.Method; m == "POST" || m == "PUT" || m == "PATCH" {
			body, restoreBody, err := GetBody(r, resetBody)
			if err != nil {
				return nil, false
			}
			setBody(r, body)    // so the ctx.request.Body works
			defer restoreBody() // so the next GetForm calls work.

			// r.Body = io.NopCloser(io.TeeReader(r.Body, buf))
		} else {
			resetBody = false
		}
	}

	// ParseMultipartForm calls `request.ParseForm` automatically
	// therefore we don't need to call it here, although it doesn't hurt.
	// After one call to ParseMultipartForm or ParseForm,
	// subsequent calls have no effect, are idempotent.
	err := r.ParseMultipartForm(postMaxMemory)
	// if resetBody {
	// 	r.Body = io.NopCloser(bytes.NewBuffer(bodyCopy))
	// }
	if err != nil && err != http.ErrNotMultipart {
		return nil, false
	}

	if form := r.Form; len(form) > 0 {
		return form, true
	}

	if form := r.PostForm; len(form) > 0 {
		return form, true