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twin-gatus/api/external_endpoint.go
TwiN f54c45e20e
feat: Implement push-based external endpoints (#724)
* refactor: Move SSH outside of endpoint.go
* refactor: Use pointers for Alert receivers
* feat: Implement push-based external endpoints
* Fix failing tests
* Validate external endpoints on start
* Add tests for external endpoints
* refactor some error equality checks
* Improve docs and refactor some code
* Fix UI-related issues with external endpoints
2024-04-08 21:00:40 -04:00

67 lines
2.6 KiB
Go

package api
import (
"errors"
"log"
"strings"
"time"
"github.com/TwiN/gatus/v5/config"
"github.com/TwiN/gatus/v5/core"
"github.com/TwiN/gatus/v5/storage/store"
"github.com/TwiN/gatus/v5/storage/store/common"
"github.com/TwiN/gatus/v5/watchdog"
"github.com/gofiber/fiber/v2"
)
func CreateExternalEndpointResult(cfg *config.Config) fiber.Handler {
return func(c *fiber.Ctx) error {
// Check if the success query parameter is present
success, exists := c.Queries()["success"]
if !exists || (success != "true" && success != "false") {
return c.Status(400).SendString("missing or invalid success query parameter")
}
// Check if the authorization bearer token header is correct
authorizationHeader := string(c.Request().Header.Peek("Authorization"))
if !strings.HasPrefix(authorizationHeader, "Bearer ") {
return c.Status(401).SendString("invalid Authorization header")
}
token := strings.TrimSpace(strings.TrimPrefix(authorizationHeader, "Bearer "))
if len(token) == 0 {
return c.Status(401).SendString("bearer token must not be empty")
}
key := c.Params("key")
externalEndpoint := cfg.GetExternalEndpointByKey(key)
if externalEndpoint == nil {
log.Printf("[api.CreateExternalEndpointResult] External endpoint with key=%s not found", key)
return c.Status(404).SendString("not found")
}
if externalEndpoint.Token != token {
log.Printf("[api.CreateExternalEndpointResult] Invalid token for external endpoint with key=%s", key)
return c.Status(401).SendString("invalid token")
}
// Persist the result in the storage
result := &core.Result{
Timestamp: time.Now(),
Success: c.QueryBool("success"),
Errors: []string{},
}
convertedEndpoint := externalEndpoint.ToEndpoint()
if err := store.Get().Insert(convertedEndpoint, result); err != nil {
if errors.Is(err, common.ErrEndpointNotFound) {
return c.Status(404).SendString(err.Error())
}
log.Printf("[api.CreateExternalEndpointResult] Failed to insert result in storage: %s", err.Error())
return c.Status(500).SendString(err.Error())
}
log.Printf("[api.CreateExternalEndpointResult] Successfully inserted result for external endpoint with key=%s and success=%s", c.Params("key"), success)
// Check if an alert should be triggered or resolved
if !cfg.Maintenance.IsUnderMaintenance() {
watchdog.HandleAlerting(convertedEndpoint, result, cfg.Alerting, cfg.Debug)
externalEndpoint.NumberOfSuccessesInARow = convertedEndpoint.NumberOfSuccessesInARow
externalEndpoint.NumberOfFailuresInARow = convertedEndpoint.NumberOfFailuresInARow
}
// Return the result
return c.Status(200).SendString("")
}
}