77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net/http"
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"regexp"
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)
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// tracker handler
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func save_tracker_settingsHandler(response http.ResponseWriter, request *http.Request) {
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name := getUserName(request)
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if name != "" {
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deveui, ok := request.URL.Query()["deveui"]
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if !ok || len(deveui[0]) < 1 {
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log.Println("Url Param 'deveui' is missing")
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fmt.Fprintf(response, "{ \"rc\": 1, \"msg\": \"deveui must be specified in URL\" }")
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return
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}
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// Query()["deveui"] will return an array of items,
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// we only want the single item.
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mydeveui := deveui[0]
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if len(mydeveui) != 16 {
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log.Println("specified 'deveui' has invalid length")
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fmt.Fprintf(response, "{ \"rc\": 8, \"msg\": \"specified deveui has invalid length\" }")
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return
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}
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if !(Contains(getMyDevs(name), mydeveui)) {
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log.Println("specified 'deveui' does not belong to this user")
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fmt.Fprintf(response, "{ \"rc\": 2, \"msg\": \"specified deveui does not belong to this user\" }")
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return
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}
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log.Println("Url Param 'deveui' is: " + string(mydeveui))
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alias, ok2 := request.URL.Query()["alias"]
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if !ok2 || len(alias[0]) < 1 {
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log.Println("Url Param 'alias' is missing")
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fmt.Fprintf(response, "{ \"rc\": 3, \"msg\": \"alias must be specified in URL\" }")
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return
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}
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myalias := alias[0]
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// validate alias
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match, _ := regexp.MatchString("^[a-zA-Z0-9 ]{1,25}$", myalias)
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if !(match) {
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log.Println("Url Param 'alias' is not valid")
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fmt.Fprintf(response, "{ \"rc\": 9, \"msg\": \"alias is not valid\" }")
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return
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}
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var mydev Dev
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mydev.Deveui = mydeveui
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mydev.Alias = myalias
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// now we try to save the settings
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err := updateTrackerSettings(mydev)
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if err != nil {
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log.Println("Error to Update Device Settings")
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fmt.Fprintf(response, "{ \"rc\": 6, \"msg\": \"error with saving device settings\" }")
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return
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} else {
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fmt.Fprintf(response, "{ \"rc\": 0, \"msg\": \"SUCCESS\" }")
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}
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} else {
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fmt.Fprintf(response, "{ \"rc\": 7, \"msg\": \"Only available for logged in users\" }")
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}
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}
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