refactor: Allow provisioner jobs to be disconnected from projects (#194)

* Nest jobs under an organization

* Rename project parameter to parameter schema

* Update references when computing project parameters

* Add files endpoint

* Allow one-off project import jobs

* Allow variables to be injected that are not defined by the schema

* Update API to use jobs first

* Fix CLI tests

* Fix linting

* Fix hex length for files table

* Reduce memory allocation for windows

coderd/files.go

@@ -0,0 +1,60 @@
+package coderd
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/go-chi/render"
+
+	"github.com/coder/coder/database"
+	"github.com/coder/coder/httpapi"
+	"github.com/coder/coder/httpmw"
+)
+
+type UploadFileResponse struct {
+	Hash string `json:"hash"`
+}
+
+func (api *api) postFiles(rw http.ResponseWriter, r *http.Request) {
+	apiKey := httpmw.APIKey(r)
+	contentType := r.Header.Get("Content-Type")
+
+	switch contentType {
+	case "application/x-tar":
+	default:
+		httpapi.Write(rw, http.StatusBadRequest, httpapi.Response{
+			Message: fmt.Sprintf("unsupported content type: %s", contentType),
+		})
+		return
+	}
+
+	r.Body = http.MaxBytesReader(rw, r.Body, 10*(10<<20))
+	data, err := io.ReadAll(r.Body)
+	if err != nil {
+		httpapi.Write(rw, http.StatusBadRequest, httpapi.Response{
+			Message: fmt.Sprintf("read file: %s", err),
+		})
+		return
+	}
+	hashBytes := sha256.Sum256(data)
+	file, err := api.Database.InsertFile(r.Context(), database.InsertFileParams{
+		Hash:      hex.EncodeToString(hashBytes[:]),
+		CreatedBy: apiKey.UserID,
+		CreatedAt: database.Now(),
+		Mimetype:  contentType,
+		Data:      data,
+	})
+	if err != nil {
+		httpapi.Write(rw, http.StatusInternalServerError, httpapi.Response{
+			Message: fmt.Sprintf("insert file: %s", err),
+		})
+		return
+	}
+	render.Status(r, http.StatusCreated)
+	render.JSON(rw, r, UploadFileResponse{
+		Hash: file.Hash,
+	})
+}