122 lines
4.8 KiB
Go
122 lines
4.8 KiB
Go
package api
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import (
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"database/sql"
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"fmt"
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"log"
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"net/http"
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"time"
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"git.hatecomputers.club/hatecomputers/hatecomputers.club/args"
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"git.hatecomputers.club/hatecomputers/hatecomputers.club/database"
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"git.hatecomputers.club/hatecomputers/hatecomputers.club/utils"
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)
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type RequestContext struct {
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DBConn *sql.DB
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Args *args.Arguments
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Id string
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Start time.Time
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User *database.User
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}
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type Continuation func(*RequestContext, *http.Request, http.ResponseWriter) ContinuationChain
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type ContinuationChain func(Continuation, Continuation) ContinuationChain
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func LogRequestContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
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return func(success Continuation, _failure Continuation) ContinuationChain {
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context.Start = time.Now()
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context.Id = utils.RandomId()
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log.Println(req.Method, req.URL.Path, req.RemoteAddr, context.Id)
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return success(context, req, resp)
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}
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}
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func LogExecutionTimeContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
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return func(success Continuation, _failure Continuation) ContinuationChain {
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end := time.Now()
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log.Println(context.Id, "took", end.Sub(context.Start))
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return success(context, req, resp)
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}
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}
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func HealthCheckContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
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return func(success Continuation, _failure Continuation) ContinuationChain {
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resp.WriteHeader(200)
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resp.Write([]byte("healthy"))
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return success(context, req, resp)
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}
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}
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func FailurePassingContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
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return func(_success Continuation, failure Continuation) ContinuationChain {
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return failure(context, req, resp)
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}
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}
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func IdContinuation(context *RequestContext, req *http.Request, resp http.ResponseWriter) ContinuationChain {
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return func(success Continuation, _failure Continuation) ContinuationChain {
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return success(context, req, resp)
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}
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}
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func MakeServer(argv *args.Arguments, dbConn *sql.DB) *http.Server {
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mux := http.NewServeMux()
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fileServer := http.FileServer(http.Dir(argv.StaticPath))
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mux.Handle("/static/", http.StripPrefix("/static/", fileServer))
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makeRequestContext := func() *RequestContext {
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return &RequestContext{
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DBConn: dbConn,
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Args: argv,
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}
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}
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mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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requestContext := makeRequestContext()
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LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(IdContinuation, IdContinuation)(TemplateContinuation("home.html", nil, true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
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})
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mux.HandleFunc("GET /api/health", func(w http.ResponseWriter, r *http.Request) {
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requestContext := makeRequestContext()
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LogRequestContinuation(requestContext, r, w)(HealthCheckContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
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})
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mux.HandleFunc("GET /login", func(w http.ResponseWriter, r *http.Request) {
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requestContext := makeRequestContext()
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LogRequestContinuation(requestContext, r, w)(StartSessionContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
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})
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mux.HandleFunc("GET /auth", func(w http.ResponseWriter, r *http.Request) {
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requestContext := makeRequestContext()
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LogRequestContinuation(requestContext, r, w)(InterceptCodeContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
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})
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mux.HandleFunc("GET /me", func(w http.ResponseWriter, r *http.Request) {
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requestContext := makeRequestContext()
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LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(RefreshSessionContinuation, GoLoginContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
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})
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mux.HandleFunc("GET /logout", func(w http.ResponseWriter, r *http.Request) {
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requestContext := makeRequestContext()
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LogRequestContinuation(requestContext, r, w)(LogoutContinuation, FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
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})
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mux.HandleFunc("GET /{name}", func(w http.ResponseWriter, r *http.Request) {
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requestContext := makeRequestContext()
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name := r.PathValue("name")
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LogRequestContinuation(requestContext, r, w)(VerifySessionContinuation, FailurePassingContinuation)(IdContinuation, IdContinuation)(TemplateContinuation(name+".html", nil, true), FailurePassingContinuation)(LogExecutionTimeContinuation, LogExecutionTimeContinuation)(IdContinuation, IdContinuation)
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})
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return &http.Server{
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Addr: ":" + fmt.Sprint(argv.Port),
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Handler: mux,
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}
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}
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