784b7585c1
so we don't have to update all the files every year Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
478 lines
14 KiB
Go
478 lines
14 KiB
Go
// Copyright (C) 2019 Nicola Murino
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, version 3.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package httpd
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import (
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"encoding/csv"
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"encoding/json"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/sftpgo/sdk/plugin/eventsearcher"
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"github.com/sftpgo/sdk/plugin/notifier"
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"github.com/drakkan/sftpgo/v2/internal/dataprovider"
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"github.com/drakkan/sftpgo/v2/internal/plugin"
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"github.com/drakkan/sftpgo/v2/internal/util"
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)
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func getCommonSearchParamsFromRequest(r *http.Request) (eventsearcher.CommonSearchParams, error) {
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c := eventsearcher.CommonSearchParams{}
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c.Limit = 100
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if _, ok := r.URL.Query()["limit"]; ok {
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limit, err := strconv.Atoi(r.URL.Query().Get("limit"))
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if err != nil {
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return c, util.NewValidationError(fmt.Sprintf("invalid limit: %v", err))
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}
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if limit < 1 || limit > 1000 {
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return c, util.NewValidationError(fmt.Sprintf("limit is out of the 1-1000 range: %v", limit))
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}
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c.Limit = limit
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}
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if _, ok := r.URL.Query()["order"]; ok {
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order := r.URL.Query().Get("order")
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if order != dataprovider.OrderASC && order != dataprovider.OrderDESC {
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return c, util.NewValidationError(fmt.Sprintf("invalid order %q", order))
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}
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if order == dataprovider.OrderASC {
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c.Order = 1
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}
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}
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if _, ok := r.URL.Query()["start_timestamp"]; ok {
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ts, err := strconv.ParseInt(r.URL.Query().Get("start_timestamp"), 10, 64)
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if err != nil {
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return c, util.NewValidationError(fmt.Sprintf("invalid start_timestamp: %v", err))
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}
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c.StartTimestamp = ts
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}
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if _, ok := r.URL.Query()["end_timestamp"]; ok {
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ts, err := strconv.ParseInt(r.URL.Query().Get("end_timestamp"), 10, 64)
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if err != nil {
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return c, util.NewValidationError(fmt.Sprintf("invalid end_timestamp: %v", err))
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}
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c.EndTimestamp = ts
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}
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c.Username = r.URL.Query().Get("username")
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c.IP = r.URL.Query().Get("ip")
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c.InstanceIDs = getCommaSeparatedQueryParam(r, "instance_ids")
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c.FromID = r.URL.Query().Get("from_id")
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return c, nil
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}
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func getFsSearchParamsFromRequest(r *http.Request) (eventsearcher.FsEventSearch, error) {
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var err error
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s := eventsearcher.FsEventSearch{}
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s.CommonSearchParams, err = getCommonSearchParamsFromRequest(r)
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if err != nil {
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return s, err
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}
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s.FsProvider = -1
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if _, ok := r.URL.Query()["fs_provider"]; ok {
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provider := r.URL.Query().Get("fs_provider")
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val, err := strconv.Atoi(provider)
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if err != nil {
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return s, util.NewValidationError(fmt.Sprintf("invalid fs_provider: %v", provider))
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}
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s.FsProvider = val
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}
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s.Actions = getCommaSeparatedQueryParam(r, "actions")
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s.SSHCmd = r.URL.Query().Get("ssh_cmd")
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s.Bucket = r.URL.Query().Get("bucket")
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s.Endpoint = r.URL.Query().Get("endpoint")
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s.Protocols = getCommaSeparatedQueryParam(r, "protocols")
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statuses := getCommaSeparatedQueryParam(r, "statuses")
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for _, status := range statuses {
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val, err := strconv.ParseInt(status, 10, 32)
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if err != nil {
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return s, util.NewValidationError(fmt.Sprintf("invalid status: %v", status))
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}
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s.Statuses = append(s.Statuses, int32(val))
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}
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return s, nil
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}
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func getProviderSearchParamsFromRequest(r *http.Request) (eventsearcher.ProviderEventSearch, error) {
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var err error
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s := eventsearcher.ProviderEventSearch{}
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s.CommonSearchParams, err = getCommonSearchParamsFromRequest(r)
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if err != nil {
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return s, err
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}
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s.Actions = getCommaSeparatedQueryParam(r, "actions")
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s.ObjectName = r.URL.Query().Get("object_name")
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s.ObjectTypes = getCommaSeparatedQueryParam(r, "object_types")
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return s, nil
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}
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func getLogSearchParamsFromRequest(r *http.Request) (eventsearcher.LogEventSearch, error) {
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var err error
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s := eventsearcher.LogEventSearch{}
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s.CommonSearchParams, err = getCommonSearchParamsFromRequest(r)
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if err != nil {
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return s, err
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}
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s.Protocols = getCommaSeparatedQueryParam(r, "protocols")
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events := getCommaSeparatedQueryParam(r, "events")
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for _, ev := range events {
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evType, err := strconv.ParseInt(ev, 10, 32)
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if err == nil {
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s.Events = append(s.Events, int32(evType))
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}
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}
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return s, nil
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}
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func searchFsEvents(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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claims, err := getTokenClaims(r)
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if err != nil || claims.Username == "" {
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sendAPIResponse(w, r, err, "Invalid token claims", http.StatusBadRequest)
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return
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}
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filters, err := getFsSearchParamsFromRequest(r)
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if err != nil {
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sendAPIResponse(w, r, err, "", getRespStatus(err))
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return
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}
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filters.Role = getRoleFilterForEventSearch(r, claims.Role)
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if getBoolQueryParam(r, "csv_export") {
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filters.Limit = 100
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if err := exportFsEvents(w, &filters); err != nil {
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panic(http.ErrAbortHandler)
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}
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return
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}
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data, err := plugin.Handler.SearchFsEvents(&filters)
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if err != nil {
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sendAPIResponse(w, r, err, "", getRespStatus(err))
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(data) //nolint:errcheck
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}
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func searchProviderEvents(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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claims, err := getTokenClaims(r)
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if err != nil || claims.Username == "" {
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sendAPIResponse(w, r, err, "Invalid token claims", http.StatusBadRequest)
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return
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}
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var filters eventsearcher.ProviderEventSearch
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if filters, err = getProviderSearchParamsFromRequest(r); err != nil {
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sendAPIResponse(w, r, err, "", getRespStatus(err))
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return
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}
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filters.Role = getRoleFilterForEventSearch(r, claims.Role)
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filters.OmitObjectData = getBoolQueryParam(r, "omit_object_data")
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if getBoolQueryParam(r, "csv_export") {
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filters.Limit = 100
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filters.OmitObjectData = true
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if err := exportProviderEvents(w, &filters); err != nil {
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panic(http.ErrAbortHandler)
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}
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return
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}
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data, err := plugin.Handler.SearchProviderEvents(&filters)
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if err != nil {
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sendAPIResponse(w, r, err, "", getRespStatus(err))
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(data) //nolint:errcheck
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}
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func searchLogEvents(w http.ResponseWriter, r *http.Request) {
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r.Body = http.MaxBytesReader(w, r.Body, maxRequestSize)
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claims, err := getTokenClaims(r)
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if err != nil || claims.Username == "" {
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sendAPIResponse(w, r, err, "Invalid token claims", http.StatusBadRequest)
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return
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}
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var filters eventsearcher.LogEventSearch
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if filters, err = getLogSearchParamsFromRequest(r); err != nil {
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sendAPIResponse(w, r, err, "", getRespStatus(err))
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return
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}
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filters.Role = getRoleFilterForEventSearch(r, claims.Role)
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if getBoolQueryParam(r, "csv_export") {
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filters.Limit = 100
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if err := exportLogEvents(w, &filters); err != nil {
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panic(http.ErrAbortHandler)
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}
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return
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}
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data, err := plugin.Handler.SearchLogEvents(&filters)
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if err != nil {
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sendAPIResponse(w, r, err, "", getRespStatus(err))
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(data) //nolint:errcheck
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}
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func exportFsEvents(w http.ResponseWriter, filters *eventsearcher.FsEventSearch) error {
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w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=fslogs-%s.csv", time.Now().Format("2006-01-02T15-04-05")))
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w.Header().Set("Content-Type", "text/csv")
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w.Header().Set("Accept-Ranges", "none")
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w.WriteHeader(http.StatusOK)
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csvWriter := csv.NewWriter(w)
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ev := fsEvent{}
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err := csvWriter.Write(ev.getCSVHeader())
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if err != nil {
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return err
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}
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results := make([]fsEvent, 0, filters.Limit)
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for {
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data, err := plugin.Handler.SearchFsEvents(filters)
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if err != nil {
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return err
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}
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if err := json.Unmarshal(data, &results); err != nil {
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return err
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}
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for _, event := range results {
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if err := csvWriter.Write(event.getCSVData()); err != nil {
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return err
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}
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}
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if len(results) == 0 || len(results) < filters.Limit {
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break
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}
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filters.StartTimestamp = results[len(results)-1].Timestamp
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filters.FromID = results[len(results)-1].ID
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results = nil
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}
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csvWriter.Flush()
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return csvWriter.Error()
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}
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func exportProviderEvents(w http.ResponseWriter, filters *eventsearcher.ProviderEventSearch) error {
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w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=providerlogs-%s.csv", time.Now().Format("2006-01-02T15-04-05")))
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w.Header().Set("Content-Type", "text/csv")
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w.Header().Set("Accept-Ranges", "none")
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w.WriteHeader(http.StatusOK)
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ev := providerEvent{}
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csvWriter := csv.NewWriter(w)
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err := csvWriter.Write(ev.getCSVHeader())
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if err != nil {
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return err
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}
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results := make([]providerEvent, 0, filters.Limit)
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for {
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data, err := plugin.Handler.SearchProviderEvents(filters)
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if err != nil {
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return err
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}
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if err := json.Unmarshal(data, &results); err != nil {
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return err
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}
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for _, event := range results {
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if err := csvWriter.Write(event.getCSVData()); err != nil {
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return err
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}
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}
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if len(results) < filters.Limit || len(results) == 0 {
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break
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}
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filters.FromID = results[len(results)-1].ID
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filters.StartTimestamp = results[len(results)-1].Timestamp
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results = nil
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}
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csvWriter.Flush()
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return csvWriter.Error()
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}
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func exportLogEvents(w http.ResponseWriter, filters *eventsearcher.LogEventSearch) error {
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w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=logs-%s.csv", time.Now().Format("2006-01-02T15-04-05")))
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w.Header().Set("Content-Type", "text/csv")
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w.Header().Set("Accept-Ranges", "none")
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w.WriteHeader(http.StatusOK)
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ev := logEvent{}
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csvWriter := csv.NewWriter(w)
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err := csvWriter.Write(ev.getCSVHeader())
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if err != nil {
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return err
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}
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results := make([]logEvent, 0, filters.Limit)
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for {
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data, err := plugin.Handler.SearchLogEvents(filters)
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if err != nil {
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return err
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}
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if err := json.Unmarshal(data, &results); err != nil {
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return err
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}
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for _, event := range results {
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if err := csvWriter.Write(event.getCSVData()); err != nil {
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return err
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}
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}
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if len(results) == 0 || len(results) < filters.Limit {
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break
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}
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filters.StartTimestamp = results[len(results)-1].Timestamp
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filters.FromID = results[len(results)-1].ID
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results = nil
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}
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csvWriter.Flush()
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return csvWriter.Error()
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}
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func getRoleFilterForEventSearch(r *http.Request, defaultValue string) string {
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if defaultValue != "" {
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return defaultValue
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}
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return r.URL.Query().Get("role")
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}
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type fsEvent struct {
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ID string `json:"id"`
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Timestamp int64 `json:"timestamp"`
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Action string `json:"action"`
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Username string `json:"username"`
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FsPath string `json:"fs_path"`
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FsTargetPath string `json:"fs_target_path,omitempty"`
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VirtualPath string `json:"virtual_path"`
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VirtualTargetPath string `json:"virtual_target_path,omitempty"`
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SSHCmd string `json:"ssh_cmd,omitempty"`
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FileSize int64 `json:"file_size,omitempty"`
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Elapsed int64 `json:"elapsed,omitempty"`
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Status int `json:"status"`
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Protocol string `json:"protocol"`
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IP string `json:"ip,omitempty"`
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SessionID string `json:"session_id"`
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FsProvider int `json:"fs_provider"`
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Bucket string `json:"bucket,omitempty"`
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Endpoint string `json:"endpoint,omitempty"`
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OpenFlags int `json:"open_flags,omitempty"`
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Role string `json:"role,omitempty"`
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InstanceID string `json:"instance_id,omitempty"`
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}
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func (e *fsEvent) getCSVHeader() []string {
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return []string{"Time", "Action", "Path", "Size", "Elapsed", "Status", "User", "Protocol",
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"IP", "SSH command"}
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}
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func (e *fsEvent) getCSVData() []string {
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timestamp := time.Unix(0, e.Timestamp).UTC()
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var pathInfo strings.Builder
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pathInfo.Write([]byte(e.VirtualPath))
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if e.VirtualTargetPath != "" {
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pathInfo.WriteString(" => ")
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pathInfo.WriteString(e.VirtualTargetPath)
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}
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var status string
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switch e.Status {
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case 1:
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status = "OK"
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case 2:
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status = "KO"
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case 3:
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status = "Quota exceeded"
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}
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var fileSize string
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if e.FileSize > 0 {
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fileSize = util.ByteCountIEC(e.FileSize)
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}
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var elapsed string
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if e.Elapsed > 0 {
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elapsed = (time.Duration(e.Elapsed) * time.Millisecond).String()
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}
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return []string{timestamp.Format(time.RFC3339Nano), e.Action, pathInfo.String(),
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fileSize, elapsed, status, e.Username, e.Protocol, e.IP, e.SSHCmd}
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}
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type providerEvent struct {
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ID string `json:"id"`
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Timestamp int64 `json:"timestamp"`
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Action string `json:"action"`
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Username string `json:"username"`
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IP string `json:"ip,omitempty"`
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ObjectType string `json:"object_type"`
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ObjectName string `json:"object_name"`
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ObjectData []byte `json:"object_data"`
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Role string `json:"role,omitempty"`
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InstanceID string `json:"instance_id,omitempty"`
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}
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func (e *providerEvent) getCSVHeader() []string {
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return []string{"Time", "Action", "Object Type", "Object Name", "User", "IP"}
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}
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func (e *providerEvent) getCSVData() []string {
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timestamp := time.Unix(0, e.Timestamp).UTC()
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return []string{timestamp.Format(time.RFC3339Nano), e.Action, e.ObjectType, e.ObjectName,
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e.Username, e.IP}
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}
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type logEvent struct {
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ID string `json:"id"`
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Timestamp int64 `json:"timestamp"`
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Event int `json:"event"`
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Protocol string `json:"protocol"`
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Username string `json:"username,omitempty"`
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IP string `json:"ip,omitempty"`
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Message string `json:"message,omitempty"`
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Role string `json:"role,omitempty"`
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}
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func (e *logEvent) getCSVHeader() []string {
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return []string{"Time", "Event", "Protocol", "User", "IP", "Message"}
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}
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func (e *logEvent) getCSVData() []string {
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timestamp := time.Unix(0, e.Timestamp).UTC()
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return []string{timestamp.Format(time.RFC3339Nano), getLogEventString(notifier.LogEventType(e.Event)),
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e.Protocol, e.Username, e.IP, e.Message}
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}
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func getLogEventString(event notifier.LogEventType) string {
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switch event {
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case notifier.LogEventTypeLoginFailed:
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return "Login failed"
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case notifier.LogEventTypeLoginNoUser:
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return "Login with non-existent user"
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case notifier.LogEventTypeNoLoginTried:
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return "No login tried"
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case notifier.LogEventTypeNotNegotiated:
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return "Algorithm negotiation failed"
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default:
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return ""
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}
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}
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