chore: Adds login and user creation support to the API.

apiclient/users/auth.go

@@ -0,0 +1,99 @@
+package users
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"git.terah.dev/imterah/hermes/apiclient/backendstructs"
+)
+
+type refreshTokenResponse struct {
+	Success      bool   `json:"success"`
+	RefreshToken string `json:"refreshToken"`
+}
+
+type jwtTokenResponse struct {
+	Success bool   `json:"success"`
+	JWT     string `json:"token"`
+}
+
+func GetRefreshToken(url string, username, email *string, password string) (string, error) {
+	body, err := json.Marshal(&backendstructs.UserLoginRequest{
+		Username: username,
+		Email:    email,
+		Password: password,
+	})
+
+	if err != nil {
+		return "", err
+	}
+
+	res, err := http.Post(fmt.Sprintf("%s/api/v1/users/login", url), "application/json", bytes.NewBuffer(body))
+
+	if err != nil {
+		return "", err
+	}
+
+	bodyContents, err := io.ReadAll(res.Body)
+
+	if err != nil {
+		return "", fmt.Errorf("failed to read response body: %s", err.Error())
+	}
+
+	response := &refreshTokenResponse{}
+
+	if err := json.Unmarshal(bodyContents, response); err != nil {
+		return "", err
+	}
+
+	if !response.Success {
+		return "", fmt.Errorf("failed to get refresh token")
+	}
+
+	if response.RefreshToken == "" {
+		return "", fmt.Errorf("refresh token is empty")
+	}
+
+	return response.RefreshToken, nil
+}
+
+func GetJWTFromToken(url, refreshToken string) (string, error) {
+	body, err := json.Marshal(&backendstructs.UserRefreshRequest{
+		Token: refreshToken,
+	})
+
+	if err != nil {
+		return "", err
+	}
+
+	res, err := http.Post(fmt.Sprintf("%s/api/v1/users/refresh", url), "application/json", bytes.NewBuffer(body))
+
+	if err != nil {
+		return "", err
+	}
+
+	bodyContents, err := io.ReadAll(res.Body)
+
+	if err != nil {
+		return "", fmt.Errorf("failed to read response body: %s", err.Error())
+	}
+
+	response := &jwtTokenResponse{}
+
+	if err := json.Unmarshal(bodyContents, response); err != nil {
+		return "", err
+	}
+
+	if !response.Success {
+		return "", fmt.Errorf("failed to get JWT token")
+	}
+
+	if response.JWT == "" {
+		return "", fmt.Errorf("JWT token is empty")
+	}
+
+	return response.JWT, nil
+}