forked from aquasecurity/postee
/
alertmgr.go
358 lines (322 loc) · 10.1 KB
/
alertmgr.go
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package alertmgr
import (
"dbservice"
"fmt"
"io/ioutil"
"log"
"plugins"
"scanservice"
"settings"
"strconv"
"strings"
"sync"
"time"
"github.com/ghodss/yaml"
"utils"
)
const (
IssueTypeDefault = "Task"
PriorityDefault = "High"
ServiceNowTableDefault = "incident"
)
type PluginSettings struct {
Name string `json:"name"`
Type string `json:"type"`
Enable bool `json:"enable"`
Url string `json:"url"`
User string `json:"user"`
Password string `json:"password"`
TlsVerify bool `json:"tls_verify"`
ProjectKey string `json:"project_key,omitempty" structs:"project_key,omitempty"`
IssueType string `json:"issuetype" structs:"issuetype"`
BoardName string `json:"board,omitempty" structs:"board,omitempty"`
Priority string `json:"priority,omitempty"`
Assignee string `json:"assignee,omitempty"`
Description string
Summary string `json:"summary,omitempty"`
FixVersions []string `json:"fixVersions,omitempty"`
AffectsVersions []string `json:"affectsVersions,omitempty"`
Labels []string `json:"labels,omitempty"`
Sprint string `json:"sprint,omitempty"`
Unknowns map[string]string `json:"unknowns" structs:"unknowns,omitempty"`
Host string `json:"host"`
Port string `json:"port"`
Recipients []string `json:"recipients"`
Sender string `json:"sender"`
Token string `json:"token"`
PolicyMinVulnerability string `json:"Policy-Min-Vulnerability"`
PolicyRegistry []string `json:"Policy-Registry"`
PolicyImageName []string `json:"Policy-Image-Name"`
PolicyNonCompliant bool `json:"Policy-Non-Compliant"`
PolicyShowAll bool `json:"Policy-Show-All"`
IgnoreRegistry []string `json:"Ignore-Registry"`
IgnoreImageName []string `json:"Ignore-Image-Name"`
AggregateIssuesNumber int `json:"Aggregate-Issues-Number"`
AggregateIssuesTimeout string `json:"Aggregate-Issues-Timeout"`
InstanceName string `json:"instance"`
PolicyOnlyFixAvailable bool `json:"Policy-Only-Fix-Available"`
AquaServer string `json:"AquaServer"`
DBMaxSize int `json:"Max_DB_Size"`
DBRemoveOldData int `json:"Delete_Old_Data"`
DBTestInterval int `json:"DbVerifyInterval"`
}
type AlertMgr struct {
mutex sync.Mutex
quit chan struct{}
queue chan string
cfgfile string
plugins map[string]plugins.Plugin
}
var initCtx sync.Once
var alertmgrCtx *AlertMgr
var aquaServer string
var baseForTicker = time.Hour
var ticker *time.Ticker
func buildSettings(sourceSettings *PluginSettings) *settings.Settings {
var timeout int
var err error
times := map[string]int{
"s": 1,
"m": 60,
"h": 3600,
}
if len(sourceSettings.AggregateIssuesTimeout) > 0 {
wasConvert := false
for suffix, k := range times {
if strings.HasSuffix(strings.ToLower(sourceSettings.AggregateIssuesTimeout), suffix) {
timeout, err = strconv.Atoi(strings.TrimSuffix(sourceSettings.AggregateIssuesTimeout, suffix))
timeout *= k
wasConvert = true
break
}
}
if !wasConvert {
timeout, err = strconv.Atoi(sourceSettings.AggregateIssuesTimeout)
}
if err != nil {
log.Printf("%q settings: Can't convert 'AggregateIssuesTimeout'(%q) to seconds.",
sourceSettings.Name, sourceSettings.AggregateIssuesTimeout)
}
}
return &settings.Settings{
PluginName: sourceSettings.Name,
PolicyMinVulnerability: sourceSettings.PolicyMinVulnerability,
PolicyRegistry: sourceSettings.PolicyRegistry,
PolicyImageName: sourceSettings.PolicyImageName,
PolicyShowAll: sourceSettings.PolicyShowAll,
PolicyNonCompliant: sourceSettings.PolicyNonCompliant,
IgnoreRegistry: sourceSettings.IgnoreRegistry,
IgnoreImageName: sourceSettings.IgnoreImageName,
AggregateIssuesNumber: sourceSettings.AggregateIssuesNumber,
AggregateTimeoutSeconds: timeout,
PolicyOnlyFixAvailable: sourceSettings.PolicyOnlyFixAvailable,
AquaServer: aquaServer,
}
}
func buildWebhookPlugin(sourceSettings *PluginSettings) *plugins.WebhookPlugin {
webhook := &plugins.WebhookPlugin {
Url:sourceSettings.Url,
}
webhook.WebhookSettings = buildSettings(sourceSettings)
return webhook
}
func buildTeamsPlugin(sourceSettings *PluginSettings) *plugins.TeamsPlugin {
teams := &plugins.TeamsPlugin{
Webhook: sourceSettings.Url,
}
teams.TeamsSettings = buildSettings(sourceSettings)
return teams
}
func buildServiceNow(sourceSettings *PluginSettings) *plugins.ServiceNowPlugin {
serviceNow := &plugins.ServiceNowPlugin{
User: sourceSettings.User,
Password: sourceSettings.Password,
Table: sourceSettings.BoardName,
Instance: sourceSettings.InstanceName,
}
serviceNow.ServiceNowSettings = buildSettings(sourceSettings)
if len(serviceNow.Table) == 0 {
serviceNow.Table = ServiceNowTableDefault
}
return serviceNow
}
func buildSlackPlugin(sourceSettings *PluginSettings) *plugins.SlackPlugin {
slack := &plugins.SlackPlugin{}
slack.Url = sourceSettings.Url
slack.SlackSettings = buildSettings(sourceSettings)
return slack
}
func buildEmailPlugin(sourceSettings *PluginSettings) *plugins.EmailPlugin {
em := &plugins.EmailPlugin{
User: sourceSettings.User,
Password: sourceSettings.Password,
Host: sourceSettings.Host,
Port: sourceSettings.Port,
Sender: sourceSettings.Sender,
Recipients: sourceSettings.Recipients,
}
em.EmailSettings = buildSettings(sourceSettings)
return em
}
func buildJiraPlugin(sourceSettings *PluginSettings) *plugins.JiraAPI {
jiraApi := &plugins.JiraAPI{
Url: sourceSettings.Url,
User: sourceSettings.User,
Password: sourceSettings.Password,
TlsVerify: sourceSettings.TlsVerify,
Issuetype: sourceSettings.IssueType,
ProjectKey: strings.ToUpper(sourceSettings.ProjectKey),
Priority: sourceSettings.Priority,
Assignee: sourceSettings.Assignee,
FixVersions: sourceSettings.FixVersions,
AffectsVersions: sourceSettings.AffectsVersions,
Labels: sourceSettings.Labels,
Unknowns: sourceSettings.Unknowns,
SprintName: sourceSettings.Sprint,
SprintId: -1,
BoardName: sourceSettings.BoardName,
}
if jiraApi.Issuetype == "" {
jiraApi.Issuetype = IssueTypeDefault
}
if jiraApi.Priority == "" {
jiraApi.Priority = PriorityDefault
}
if jiraApi.Assignee == "" {
jiraApi.Assignee = jiraApi.User
}
jiraApi.JiraSettings = buildSettings(sourceSettings)
return jiraApi
}
func Instance() *AlertMgr {
initCtx.Do(func() {
alertmgrCtx = &AlertMgr{
mutex: sync.Mutex{},
quit: make(chan struct{}),
queue: make(chan string, 1000),
plugins: make(map[string]plugins.Plugin),
}
})
return alertmgrCtx
}
func (ctx *AlertMgr) Start(cfgfile string) {
log.Printf("Starting AlertMgr....")
ctx.cfgfile = cfgfile
ctx.load()
go ctx.listen()
}
func (ctx *AlertMgr) Terminate() {
log.Printf("Terminating AlertMgr....")
close(ctx.quit)
for _, plugin := range ctx.plugins {
if plugin != nil {
plugin.Terminate()
}
}
if ticker != nil {
ticker.Stop()
}
}
func (ctx *AlertMgr) Send(data string) {
ctx.mutex.Lock()
defer ctx.mutex.Unlock()
ctx.queue <- data
}
func (ctx *AlertMgr) load() error {
ctx.mutex.Lock()
defer ctx.mutex.Unlock()
log.Printf("Loading alerts configuration file %s ....\n", ctx.cfgfile)
data, err := ioutil.ReadFile(ctx.cfgfile)
if err != nil {
log.Printf("Failed to open file %s, %s", ctx.cfgfile, err)
return err
}
pluginSettings := []PluginSettings{}
err = yaml.Unmarshal(data, &pluginSettings)
if err != nil {
log.Printf("Failed yaml.Unmarshal, %s", err)
return err
}
for name, plugin := range ctx.plugins {
if plugin != nil {
ctx.plugins[name] = nil
plugin.Terminate()
}
}
ignoreAuthorization := map[string]bool{
"slack": true,
"teams": true,
"webhook": true,
}
for _, settings := range pluginSettings {
utils.Debug("%#v\n", settings)
if settings.Type == "common" {
if len(settings.AquaServer) > 0 {
var slash string
if !strings.HasSuffix(settings.AquaServer, "/") {
slash = "/"
}
aquaServer = fmt.Sprintf("%s%s#/images/", settings.AquaServer, slash)
}
dbservice.DbSizeLimit = settings.DBMaxSize
dbservice.DbDueDate = settings.DBRemoveOldData
if settings.DBTestInterval == 0 {
settings.DBTestInterval = 1
}
if dbservice.DbSizeLimit != 0 || dbservice.DbDueDate != 0 {
ticker = time.NewTicker(baseForTicker * time.Duration(settings.DBTestInterval))
go func() {
for range ticker.C {
dbservice.CheckSizeLimit()
dbservice.CheckExpiredData()
}
}()
}
continue
}
if settings.Enable {
settings.User = utils.GetEnvironmentVarOrPlain(settings.User)
if len(settings.User) == 0 && !ignoreAuthorization[settings.Type] {
log.Printf("User for %q is empty", settings.Name)
continue
}
settings.Password = utils.GetEnvironmentVarOrPlain(settings.Password)
if len(settings.Password) == 0 && !ignoreAuthorization[settings.Type] {
log.Printf("Password for %q is empty", settings.Name)
continue
}
utils.Debug("Starting Plugin %q: %q\n", settings.Type, settings.Name)
switch settings.Type {
case "jira":
ctx.plugins[settings.Name] = buildJiraPlugin(&settings)
case "email":
ctx.plugins[settings.Name] = buildEmailPlugin(&settings)
case "slack":
ctx.plugins[settings.Name] = buildSlackPlugin(&settings)
case "teams":
ctx.plugins[settings.Name] = buildTeamsPlugin(&settings)
case "serviceNow":
ctx.plugins[settings.Name] = buildServiceNow(&settings)
case "webhook":
ctx.plugins[settings.Name] = buildWebhookPlugin(&settings)
default:
log.Printf("Plugin type %q is undefined or empty. Plugin name is %q.",
settings.Type, settings.Name)
continue
}
ctx.plugins[settings.Name].Init()
}
}
return nil
}
func (ctx *AlertMgr) listen() {
for {
select {
case <-ctx.quit:
return
case data := <-ctx.queue:
service := new(scanservice.ScanService)
go service.ResultHandling(strings.ReplaceAll(data, "`", "'"), ctx.plugins)
}
}
}