90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
package warewulfd
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import (
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"net/http"
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"strconv"
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"strings"
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"github.com/pkg/errors"
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)
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type parserInfo struct {
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hwaddr string
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ipaddr string
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remoteport int
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assetkey string
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uuid string
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stage string
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overlay string
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compress string
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}
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func parseReq(req *http.Request) (parserInfo, error) {
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var ret parserInfo
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url := strings.Split(req.URL.Path, "?")[0]
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path_parts := strings.Split(url, "/")
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if len(path_parts) != 3 {
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return ret, errors.New("unknown path components in GET")
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}
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// handle when stage was passed in the url path /[stage]/hwaddr
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stage := path_parts[1]
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hwaddr := path_parts[2]
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hwaddr = strings.ReplaceAll(hwaddr, "-", ":")
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hwaddr = strings.ToLower(hwaddr)
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ret.hwaddr = hwaddr
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ret.ipaddr = strings.Split(req.RemoteAddr, ":")[0]
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ret.remoteport, _ = strconv.Atoi(strings.Split(req.RemoteAddr, ":")[1])
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if len(req.URL.Query()["assetkey"]) > 0 {
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ret.assetkey = req.URL.Query()["assetkey"][0]
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}
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if len(req.URL.Query()["uuid"]) > 0 {
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ret.uuid = req.URL.Query()["uuid"][0]
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}
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if len(req.URL.Query()["stage"]) > 0 {
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ret.stage = req.URL.Query()["stage"][0]
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} else {
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if stage == "ipxe" || stage == "provision" {
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ret.stage = "ipxe"
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} else if stage == "kernel" {
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ret.stage = "kernel"
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} else if stage == "kmods" {
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ret.stage = "kmods"
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} else if stage == "container" {
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ret.stage = "container"
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} else if stage == "overlay-system" {
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ret.stage = "system"
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} else if stage == "overlay-runtime" {
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ret.stage = "runtime"
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}
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}
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if len(req.URL.Query()["overlay"]) > 0 {
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ret.overlay = req.URL.Query()["overlay"][0]
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}
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if len(req.URL.Query()["compress"]) > 0 {
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ret.compress = req.URL.Query()["compress"][0]
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}
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if ret.stage == "" {
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return ret, errors.New("no stage encoded in GET")
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}
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if ret.hwaddr == "" {
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return ret, errors.New("no hwaddr encoded in GET")
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}
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if ret.ipaddr == "" {
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return ret, errors.New("could not obtain ipaddr from HTTP request")
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}
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if ret.remoteport == 0 {
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return ret, errors.New("could not obtain remote port from HTTP request: " + req.RemoteAddr)
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}
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return ret, nil
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}
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