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audit.go
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audit.go
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package coderd
import (
"context"
"database/sql"
"encoding/json"
"fmt"
"net"
"net/http"
"net/netip"
"net/url"
"strings"
"time"
"github.com/google/uuid"
"github.com/tabbed/pqtype"
"golang.org/x/xerrors"
"cdr.dev/slog"
"github.com/coder/coder/coderd/audit"
"github.com/coder/coder/coderd/database"
"github.com/coder/coder/coderd/httpapi"
"github.com/coder/coder/coderd/httpmw"
"github.com/coder/coder/coderd/rbac"
"github.com/coder/coder/codersdk"
)
// @Summary Get audit logs
// @ID get-audit-logs
// @Security CoderSessionToken
// @Produce json
// @Tags Audit
// @Param q query string true "Search query"
// @Param after_id query string false "After ID" format(uuid)
// @Param limit query int false "Page limit"
// @Param offset query int false "Page offset"
// @Success 200 {object} codersdk.AuditLogResponse
// @Router /audit [get]
func (api *API) auditLogs(rw http.ResponseWriter, r *http.Request) {
ctx := r.Context()
if !api.Authorize(r, rbac.ActionRead, rbac.ResourceAuditLog) {
httpapi.Forbidden(rw)
return
}
page, ok := parsePagination(rw, r)
if !ok {
return
}
queryStr := r.URL.Query().Get("q")
filter, errs := auditSearchQuery(queryStr)
if len(errs) > 0 {
httpapi.Write(ctx, rw, http.StatusBadRequest, codersdk.Response{
Message: "Invalid audit search query.",
Validations: errs,
})
return
}
filter.Offset = int32(page.Offset)
filter.Limit = int32(page.Limit)
dblogs, err := api.Database.GetAuditLogsOffset(ctx, filter)
if err != nil {
httpapi.InternalServerError(rw, err)
return
}
// GetAuditLogsOffset does not return ErrNoRows because it uses a window function to get the count.
// So we need to check if the dblogs is empty and return an empty array if so.
if len(dblogs) == 0 {
httpapi.Write(ctx, rw, http.StatusOK, codersdk.AuditLogResponse{
AuditLogs: []codersdk.AuditLog{},
Count: 0,
})
return
}
httpapi.Write(ctx, rw, http.StatusOK, codersdk.AuditLogResponse{
AuditLogs: api.convertAuditLogs(ctx, dblogs),
Count: dblogs[0].Count,
})
}
// @Summary Generate fake audit log
// @ID generate-fake-audit-log
// @Security CoderSessionToken
// @Accept json
// @Tags Audit
// @Param request body codersdk.CreateTestAuditLogRequest true "Audit log request"
// @Success 204
// @Router /audit/testgenerate [post]
func (api *API) generateFakeAuditLog(rw http.ResponseWriter, r *http.Request) {
ctx := r.Context()
if !api.Authorize(r, rbac.ActionCreate, rbac.ResourceAuditLog) {
httpapi.Forbidden(rw)
return
}
key := httpmw.APIKey(r)
user, err := api.Database.GetUserByID(ctx, key.UserID)
if err != nil {
httpapi.InternalServerError(rw, err)
return
}
diff, err := json.Marshal(codersdk.AuditDiff{
"foo": codersdk.AuditDiffField{Old: "bar", New: "baz"},
})
if err != nil {
httpapi.InternalServerError(rw, err)
return
}
ip := net.ParseIP(r.RemoteAddr)
ipNet := pqtype.Inet{}
if ip != nil {
ipNet = pqtype.Inet{
IPNet: net.IPNet{
IP: ip,
Mask: net.CIDRMask(len(ip)*8, len(ip)*8),
},
Valid: true,
}
}
var params codersdk.CreateTestAuditLogRequest
if !httpapi.Read(ctx, rw, r, ¶ms) {
return
}
if params.Action == "" {
params.Action = codersdk.AuditActionWrite
}
if params.ResourceType == "" {
params.ResourceType = codersdk.ResourceTypeUser
}
if params.ResourceID == uuid.Nil {
params.ResourceID = uuid.New()
}
if params.Time.IsZero() {
params.Time = time.Now()
}
if len(params.AdditionalFields) == 0 {
params.AdditionalFields = json.RawMessage("{}")
}
_, err = api.Database.InsertAuditLog(ctx, database.InsertAuditLogParams{
ID: uuid.New(),
Time: params.Time,
UserID: user.ID,
Ip: ipNet,
UserAgent: sql.NullString{String: r.UserAgent(), Valid: true},
ResourceType: database.ResourceType(params.ResourceType),
ResourceID: params.ResourceID,
ResourceTarget: user.Username,
Action: database.AuditAction(params.Action),
Diff: diff,
StatusCode: http.StatusOK,
AdditionalFields: params.AdditionalFields,
})
if err != nil {
httpapi.InternalServerError(rw, err)
return
}
rw.WriteHeader(http.StatusNoContent)
}
func (api *API) convertAuditLogs(ctx context.Context, dblogs []database.GetAuditLogsOffsetRow) []codersdk.AuditLog {
alogs := make([]codersdk.AuditLog, 0, len(dblogs))
for _, dblog := range dblogs {
alogs = append(alogs, api.convertAuditLog(ctx, dblog))
}
return alogs
}
func (api *API) convertAuditLog(ctx context.Context, dblog database.GetAuditLogsOffsetRow) codersdk.AuditLog {
ip, _ := netip.AddrFromSlice(dblog.Ip.IPNet.IP)
diff := codersdk.AuditDiff{}
_ = json.Unmarshal(dblog.Diff, &diff)
var user *codersdk.User
if dblog.UserUsername.Valid {
user = &codersdk.User{
ID: dblog.UserID,
Username: dblog.UserUsername.String,
Email: dblog.UserEmail.String,
CreatedAt: dblog.UserCreatedAt.Time,
Status: codersdk.UserStatus(dblog.UserStatus.UserStatus),
Roles: []codersdk.Role{},
AvatarURL: dblog.UserAvatarUrl.String,
}
for _, roleName := range dblog.UserRoles {
rbacRole, _ := rbac.RoleByName(roleName)
user.Roles = append(user.Roles, convertRole(rbacRole))
}
}
var (
additionalFieldsBytes = []byte(dblog.AdditionalFields)
additionalFields audit.AdditionalFields
err = json.Unmarshal(additionalFieldsBytes, &additionalFields)
)
if err != nil {
api.Logger.Error(ctx, "unmarshal additional fields", slog.Error(err))
resourceInfo := audit.AdditionalFields{
WorkspaceName: "unknown",
BuildNumber: "unknown",
BuildReason: "unknown",
WorkspaceOwner: "unknown",
}
dblog.AdditionalFields, err = json.Marshal(resourceInfo)
api.Logger.Error(ctx, "marshal additional fields", slog.Error(err))
}
var (
isDeleted = api.auditLogIsResourceDeleted(ctx, dblog)
resourceLink string
)
if isDeleted {
resourceLink = ""
} else {
resourceLink = api.auditLogResourceLink(ctx, dblog, additionalFields)
}
return codersdk.AuditLog{
ID: dblog.ID,
RequestID: dblog.RequestID,
Time: dblog.Time,
OrganizationID: dblog.OrganizationID,
IP: ip,
UserAgent: dblog.UserAgent.String,
ResourceType: codersdk.ResourceType(dblog.ResourceType),
ResourceID: dblog.ResourceID,
ResourceTarget: dblog.ResourceTarget,
ResourceIcon: dblog.ResourceIcon,
Action: codersdk.AuditAction(dblog.Action),
Diff: diff,
StatusCode: dblog.StatusCode,
AdditionalFields: dblog.AdditionalFields,
User: user,
Description: auditLogDescription(dblog),
ResourceLink: resourceLink,
IsDeleted: isDeleted,
}
}
func auditLogDescription(alog database.GetAuditLogsOffsetRow) string {
str := fmt.Sprintf("{user} %s",
codersdk.AuditAction(alog.Action).Friendly(),
)
// API Key resources do not have targets and follow the below format:
// "User {logged in | logged out}"
if alog.ResourceType == database.ResourceTypeApiKey {
return str
}
// We don't display the name (target) for git ssh keys. It's fairly long and doesn't
// make too much sense to display.
if alog.ResourceType == database.ResourceTypeGitSshKey {
str += fmt.Sprintf(" the %s",
codersdk.ResourceType(alog.ResourceType).FriendlyString())
return str
}
str += fmt.Sprintf(" %s",
codersdk.ResourceType(alog.ResourceType).FriendlyString())
str += " {target}"
return str
}
func (api *API) auditLogIsResourceDeleted(ctx context.Context, alog database.GetAuditLogsOffsetRow) bool {
switch alog.ResourceType {
case database.ResourceTypeTemplate:
template, err := api.Database.GetTemplateByID(ctx, alog.ResourceID)
if err != nil {
if xerrors.Is(err, sql.ErrNoRows) {
return true
}
api.Logger.Error(ctx, "fetch template", slog.Error(err))
}
return template.Deleted
case database.ResourceTypeUser:
user, err := api.Database.GetUserByID(ctx, alog.ResourceID)
if err != nil {
if xerrors.Is(err, sql.ErrNoRows) {
return true
}
api.Logger.Error(ctx, "fetch user", slog.Error(err))
}
return user.Deleted
case database.ResourceTypeWorkspace:
workspace, err := api.Database.GetWorkspaceByID(ctx, alog.ResourceID)
if err != nil {
if xerrors.Is(err, sql.ErrNoRows) {
return true
}
api.Logger.Error(ctx, "fetch workspace", slog.Error(err))
}
return workspace.Deleted
case database.ResourceTypeWorkspaceBuild:
workspaceBuild, err := api.Database.GetWorkspaceBuildByID(ctx, alog.ResourceID)
if err != nil {
if xerrors.Is(err, sql.ErrNoRows) {
return true
}
api.Logger.Error(ctx, "fetch workspace build", slog.Error(err))
}
// We use workspace as a proxy for workspace build here
workspace, err := api.Database.GetWorkspaceByID(ctx, workspaceBuild.WorkspaceID)
if err != nil {
if xerrors.Is(err, sql.ErrNoRows) {
return true
}
api.Logger.Error(ctx, "fetch workspace", slog.Error(err))
}
return workspace.Deleted
default:
return false
}
}
func (api *API) auditLogResourceLink(ctx context.Context, alog database.GetAuditLogsOffsetRow, additionalFields audit.AdditionalFields) string {
switch alog.ResourceType {
case database.ResourceTypeTemplate:
return fmt.Sprintf("/templates/%s",
alog.ResourceTarget)
case database.ResourceTypeUser:
return fmt.Sprintf("/users?filter=%s",
alog.ResourceTarget)
case database.ResourceTypeWorkspace:
workspace, getWorkspaceErr := api.Database.GetWorkspaceByID(ctx, alog.ResourceID)
if getWorkspaceErr != nil {
return ""
}
workspaceOwner, getWorkspaceOwnerErr := api.Database.GetUserByID(ctx, workspace.OwnerID)
if getWorkspaceOwnerErr != nil {
return ""
}
return fmt.Sprintf("/@%s/%s",
workspaceOwner.Username, alog.ResourceTarget)
case database.ResourceTypeWorkspaceBuild:
if len(additionalFields.WorkspaceName) == 0 || len(additionalFields.BuildNumber) == 0 {
return ""
}
workspaceBuild, getWorkspaceBuildErr := api.Database.GetWorkspaceBuildByID(ctx, alog.ResourceID)
if getWorkspaceBuildErr != nil {
return ""
}
workspace, getWorkspaceErr := api.Database.GetWorkspaceByID(ctx, workspaceBuild.WorkspaceID)
if getWorkspaceErr != nil {
return ""
}
workspaceOwner, getWorkspaceOwnerErr := api.Database.GetUserByID(ctx, workspace.OwnerID)
if getWorkspaceOwnerErr != nil {
return ""
}
return fmt.Sprintf("/@%s/%s/builds/%s",
workspaceOwner.Username, additionalFields.WorkspaceName, additionalFields.BuildNumber)
default:
return ""
}
}
// auditSearchQuery takes a query string and returns the auditLog filter.
// It also can return the list of validation errors to return to the api.
func auditSearchQuery(query string) (database.GetAuditLogsOffsetParams, []codersdk.ValidationError) {
searchParams := make(url.Values)
if query == "" {
// No filter
return database.GetAuditLogsOffsetParams{}, nil
}
query = strings.ToLower(query)
// Because we do this in 2 passes, we want to maintain quotes on the first
// pass.Further splitting occurs on the second pass and quotes will be
// dropped.
elements := splitQueryParameterByDelimiter(query, ' ', true)
for _, element := range elements {
parts := splitQueryParameterByDelimiter(element, ':', false)
switch len(parts) {
case 1:
// No key:value pair.
searchParams.Set("resource_type", parts[0])
case 2:
searchParams.Set(parts[0], parts[1])
default:
return database.GetAuditLogsOffsetParams{}, []codersdk.ValidationError{
{Field: "q", Detail: fmt.Sprintf("Query element %q can only contain 1 ':'", element)},
}
}
}
// Using the query param parser here just returns consistent errors with
// other parsing.
parser := httpapi.NewQueryParamParser()
const layout = "2006-01-02"
var (
dateFromString = parser.String(searchParams, "", "date_from")
dateToString = parser.String(searchParams, "", "date_to")
parsedDateFrom, _ = time.Parse(layout, dateFromString)
parsedDateTo, _ = time.Parse(layout, dateToString)
)
if dateToString != "" {
parsedDateTo = parsedDateTo.Add(23*time.Hour + 59*time.Minute + 59*time.Second) // parsedDateTo goes to 23:59
}
if dateToString != "" && parsedDateTo.Before(parsedDateFrom) {
return database.GetAuditLogsOffsetParams{}, []codersdk.ValidationError{
{Field: "q", Detail: fmt.Sprintf("DateTo value %q cannot be before than DateFrom", parsedDateTo)},
}
}
filter := database.GetAuditLogsOffsetParams{
ResourceType: resourceTypeFromString(parser.String(searchParams, "", "resource_type")),
ResourceID: parser.UUID(searchParams, uuid.Nil, "resource_id"),
Action: actionFromString(parser.String(searchParams, "", "action")),
Username: parser.String(searchParams, "", "username"),
Email: parser.String(searchParams, "", "email"),
DateFrom: parsedDateFrom,
DateTo: parsedDateTo,
BuildReason: buildReasonFromString(parser.String(searchParams, "", "build_reason")),
}
return filter, parser.Errors
}
func resourceTypeFromString(resourceTypeString string) string {
switch codersdk.ResourceType(resourceTypeString) {
case codersdk.ResourceTypeTemplate:
return resourceTypeString
case codersdk.ResourceTypeTemplateVersion:
return resourceTypeString
case codersdk.ResourceTypeUser:
return resourceTypeString
case codersdk.ResourceTypeWorkspace:
return resourceTypeString
case codersdk.ResourceTypeWorkspaceBuild:
return resourceTypeString
case codersdk.ResourceTypeGitSSHKey:
return resourceTypeString
case codersdk.ResourceTypeAPIKey:
return resourceTypeString
case codersdk.ResourceTypeGroup:
return resourceTypeString
}
return ""
}
func actionFromString(actionString string) string {
switch codersdk.AuditAction(actionString) {
case codersdk.AuditActionCreate:
return actionString
case codersdk.AuditActionWrite:
return actionString
case codersdk.AuditActionDelete:
return actionString
case codersdk.AuditActionStart:
return actionString
case codersdk.AuditActionStop:
return actionString
case codersdk.AuditActionLogin:
return actionString
case codersdk.AuditActionLogout:
return actionString
default:
}
return ""
}
func buildReasonFromString(buildReasonString string) string {
switch codersdk.BuildReason(buildReasonString) {
case codersdk.BuildReasonInitiator:
return buildReasonString
case codersdk.BuildReasonAutostart:
return buildReasonString
case codersdk.BuildReasonAutostop:
return buildReasonString
default:
}
return ""
}