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crazy-file-server
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reorganize HTTP routes, improve JSON response

This commit is contained in:
Cyberes 2023-12-11 22:36:41 -07:00
parent 112ab0e08f
commit 72e6355869
25 changed files with 368 additions and 283 deletions
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9
README.md
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@ -16,12 +16,11 @@ files stored in a very complicated directory tree in just 5 minutes.
## Features
- Automated cache management. Fill the cache when the starts, or as requests come in.
- Front end agnostic design.
- Elasticsearch integration.
- File browsing API.
- Download API.
- Restrict certain files and directories from the download API to prevent users from downloading your entire 100GB+
dataset.
- Frontend-agnostic design.
- Basic searching or Elasticsearch integration.
- Admin API.
## Install
@ -35,7 +34,7 @@ files stored in a very complicated directory tree in just 5 minutes.
By default, it looks for your config in the same directory as the executable: `./config.yml` or `./config.yaml`.
If you're using initial cache and have tons of files to scan you'll need at least 5GB of RAM and will have to wait 10 or
If you're using initial cache and have tons of files to scan you'll need at least 5GB of RAM and will have to wait 5 or
so minutes for it to traverse the directory structure. CrazyFS is heavily threaded, so you'll want at least an 8-core
machine.

28
src/api/Health.go
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@ -1,28 +0,0 @@
package api
import (
"crazyfs/CacheItem"
"crazyfs/cache"
"crazyfs/cache/DirectoryCrawler"
"encoding/json"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
)
// TODO: show the time the initial crawl started
func HealthCheck(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[string, *CacheItem.Item]) {
//log := logging.GetLogger()
response := map[string]interface{}{}
response["scan_running"] = DirectoryCrawler.GetTotalActiveCrawls() > 0
response["initial_scan_running"] = cache.InitialCrawlInProgress
w.Header().Set("Content-Type", "application/json")
err := json.NewEncoder(w).Encode(response)
if err != nil {
log.Errorf("HEALTH - Failed to serialize JSON: %s", err)
return
}
}

26
src/api/client/Health.go
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@ -1,26 +0,0 @@
package client
import (
"crazyfs/CacheItem"
"crazyfs/cache"
"crazyfs/cache/DirectoryCrawler"
"encoding/json"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
)
// TODO: show the time the initial crawl started
func ClientHealthCheck(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[string, *CacheItem.Item]) {
response := map[string]interface{}{}
response["scan_running"] = DirectoryCrawler.GetTotalActiveCrawls() > 0
response["initial_scan_running"] = cache.InitialCrawlInProgress
w.Header().Set("Content-Type", "application/json")
err := json.NewEncoder(w).Encode(response)
if err != nil {
log.Errorf("HEALTH - Failed to serialize JSON: %s", err)
return
}
}

22
src/api/client/Restricted.go
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@ -1,22 +0,0 @@
package client
import (
"crazyfs/CacheItem"
"crazyfs/config"
"encoding/json"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
)
func RestrictedDownloadDirectories(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[string, *CacheItem.Item]) {
response := map[string]interface{}{
"restricted_download_directories": config.GetConfig().RestrictedDownloadPaths,
}
w.Header().Set("Content-Type", "application/json")
err := json.NewEncoder(w).Encode(response)
if err != nil {
log.Errorf("AdminCacheInfo - Failed to serialize JSON: %s", err)
return
}
}

87
src/api/helpers/HandleFileNotFound.go Normal file
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@ -0,0 +1,87 @@
package helpers
import (
"crazyfs/CacheItem"
"crazyfs/cache"
"crazyfs/cache/DirectoryCrawler"
"github.com/hashicorp/golang-lru/v2"
"net/http"
"os"
"time"
)
// HandleFileNotFound if the data is not in the cache, start a new crawler
func HandleFileNotFound(relPath string, fullPath string, sharedCache *lru.Cache[string, *CacheItem.Item], w http.ResponseWriter) *CacheItem.Item {
// TODO: implement some sort of backoff or delay for repeated calls to recache the same path.
log.Debugf("CRAWLER - %s not in cache, crawling", fullPath)
dc := DirectoryCrawler.NewDirectoryCrawler(sharedCache)
// Check if this is a symlink. We do this before CrawlNoRecursion() because we want to tell the end user that
// we're not going to resolve this symlink.
//info, err := os.Lstat(fullPath)
//if err != nil {
// log.Errorf("HandleFileNotFound - os.Lstat failed: %s", err)
// Return500Msg(w)
// return nil
//}
//if !config.FollowSymlinks && info.Mode()&os.ModeSymlink > 0 {
// Return400Msg("path is a symlink", w)
// return nil
//}
// Start a recursive crawl in the background immediately, so we don't risk the client disconnecting before we've had
// a chance to kick of a recursive crawl.
go func() {
log.Debugf("Starting background recursive crawl for %s", fullPath)
dc := DirectoryCrawler.NewDirectoryCrawler(sharedCache)
start := time.Now()
err := dc.Crawl(fullPath)
if err != nil {
log.Errorf("LIST - background recursive crawl failed: %s", err)
}
log.Debugf("Finished background recursive crawl for %s, elapsed time: %s", fullPath, time.Since(start).Round(time.Second))
}()
// Start a blocking non-recursive crawl.
item, err := dc.CrawlNoRecursion(fullPath)
if err == nil && (os.IsNotExist(err) || item == nil) {
ReturnFake404Msg("path not found", w)
return nil
} else if err != nil {
log.Errorf("HandleFileNotFound - crawl failed: %s", err)
Return500Msg(w)
return nil
}
// Try to get the data from the cache again.
item, found := sharedCache.Get(relPath)
if !found {
// TODO: let's not re-check the disk if the file is still not in the cache. Instead, let's just assume that it doesn't exist.
ReturnFake404Msg("path not found", w)
// TODO: this is the old code in case this isn't the right approach.
// If the data is still not in the cache, check if the file or directory exists.
// We could check if the file exists before checking the cache but we want to limit disk reads.
//if _, err := os.Stat(fullPath); os.IsNotExist(err) {
// log.Debugf("File not in cache: %s", fullPath)
// // If the file or directory does not exist, return a 404 status code and a message
// ReturnFake404Msg("file or directory not found", w)
// return nil
//} else if err != nil {
// // If there was an error checking if the file or directory exists, return a 500 status code and the error
// log.Errorf("LIST - %s", err.Error())
// Return500Msg(w)
// return nil
//}
}
// If CacheItem is still nil, error
if item == nil {
log.Errorf("LIST - crawler failed to find %s and did not return a 404", relPath)
Return500Msg(w)
return nil
}
cache.CheckAndRecache(fullPath, sharedCache)
return item
}

0
src/api/helpers/helpers.go → src/api/helpers/init.go
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36
src/api/helpers/json.go Normal file
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@ -0,0 +1,36 @@
package helpers
import (
"bytes"
"encoding/json"
"net/http"
)
// WriteJsonResponse formats/prettifies the JSON response and handles any errors during transmission.
func WriteJsonResponse(response any, minified bool, w http.ResponseWriter, r *http.Request) {
var jsonResponse []byte
var err error
if !minified {
jsonResponse, err = json.MarshalIndent(response, "", " ")
} else {
jsonData, err := json.Marshal(response)
if err != nil {
log.Fatalf("Error marshaling the map: %v", err)
} else {
var compactedBuffer bytes.Buffer
err = json.Compact(&compactedBuffer, jsonData)
if err == nil {
jsonResponse = compactedBuffer.Bytes()
}
}
}
if err != nil {
log.Errorf("Failed to serialize JSON: %s - %s", err, r.URL.RequestURI())
return
}
w.Header().Set("Content-Type", "application/json")
_, err = w.Write(jsonResponse)
if err != nil {
log.Errorf("Failed to write JSON response: %s - %s", err, r.URL.RequestURI())
}
}

82
src/api/helpers/shared.go
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@ -1,93 +1,11 @@
package helpers
import (
"crazyfs/CacheItem"
"crazyfs/cache"
"crazyfs/cache/DirectoryCrawler"
"crazyfs/config"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
"os"
"strconv"
"time"
)
// HandleFileNotFound if the data is not in the cache, start a new crawler
func HandleFileNotFound(relPath string, fullPath string, sharedCache *lru.Cache[string, *CacheItem.Item], w http.ResponseWriter) *CacheItem.Item {
// TODO: implement some sort of backoff or delay for repeated calls to recache the same path.
log.Debugf("CRAWLER - %s not in cache, crawling", fullPath)
dc := DirectoryCrawler.NewDirectoryCrawler(sharedCache)
// Check if this is a symlink. We do this before CrawlNoRecursion() because we want to tell the end user that
// we're not going to resolve this symlink.
//info, err := os.Lstat(fullPath)
//if err != nil {
// log.Errorf("HandleFileNotFound - os.Lstat failed: %s", err)
// Return500Msg(w)
// return nil
//}
//if !config.FollowSymlinks && info.Mode()&os.ModeSymlink > 0 {
// Return400Msg("path is a symlink", w)
// return nil
//}
// Start a recursive crawl in the background immediately, so we don't risk the client disconnecting before we've had
// a chance to kick of a recursive crawl.
go func() {
log.Debugf("Starting background recursive crawl for %s", fullPath)
dc := DirectoryCrawler.NewDirectoryCrawler(sharedCache)
start := time.Now()
err := dc.Crawl(fullPath)
if err != nil {
log.Errorf("LIST - background recursive crawl failed: %s", err)
}
log.Debugf("Finished background recursive crawl for %s, elapsed time: %s", fullPath, time.Since(start).Round(time.Second))
}()
// Start a blocking non-recursive crawl.
item, err := dc.CrawlNoRecursion(fullPath)
if err == nil && (os.IsNotExist(err) || item == nil) {
ReturnFake404Msg("path not found", w)
return nil
} else if err != nil {
log.Errorf("HandleFileNotFound - crawl failed: %s", err)
Return500Msg(w)
return nil
}
// Try to get the data from the cache again.
item, found := sharedCache.Get(relPath)
if !found {
// TODO: let's not re-check the disk if the file is still not in the cache. Instead, let's just assume that it doesn't exist.
ReturnFake404Msg("path not found", w)
// TODO: this is the old code in case this isn't the right approach.
// If the data is still not in the cache, check if the file or directory exists.
// We could check if the file exists before checking the cache but we want to limit disk reads.
//if _, err := os.Stat(fullPath); os.IsNotExist(err) {
// log.Debugf("File not in cache: %s", fullPath)
// // If the file or directory does not exist, return a 404 status code and a message
// ReturnFake404Msg("file or directory not found", w)
// return nil
//} else if err != nil {
// // If there was an error checking if the file or directory exists, return a 500 status code and the error
// log.Errorf("LIST - %s", err.Error())
// Return500Msg(w)
// return nil
//}
}
// If CacheItem is still nil, error
if item == nil {
log.Errorf("LIST - crawler failed to find %s and did not return a 404", relPath)
Return500Msg(w)
return nil
}
cache.CheckAndRecache(fullPath, sharedCache)
return item
}
func IsNonNegativeInt(testStr string) bool {
if num, err := strconv.ParseInt(testStr, 10, 64); err == nil {
return num >= 0

49
src/api/routes.go → src/api/httpRoutes.go
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@ -2,7 +2,10 @@ package api
import (
"crazyfs/CacheItem"
"crazyfs/api/client"
"crazyfs/api/routes"
"crazyfs/api/routes/admin"
"crazyfs/api/routes/client"
"crazyfs/config"
"crazyfs/logging"
"encoding/json"
"fmt"
@ -22,96 +25,86 @@ type Routes []Route
type AppHandler func(http.ResponseWriter, *http.Request, *lru.Cache[string, *CacheItem.Item])
var routes = Routes{
var httpRoutes = Routes{
Route{
"ListDir",
"GET",
"/api/file/list",
ListDir,
routes.ListDir,
},
Route{
"Download",
"GET",
"/api/file/download",
Download,
routes.Download,
},
Route{
"Thumbnail",
"GET",
"/api/file/thumb",
Thumbnail,
routes.Thumbnail,
},
Route{
"Search",
"GET",
"/api/search",
SearchFile,
routes.SearchFile,
},
Route{
"Cache Info",
"GET",
"/api/admin/cache/info",
AdminCacheInfo,
admin.AdminCacheInfo,
},
Route{
"Trigger Recache",
"POST",
"/api/admin/cache/recache",
AdminReCache,
admin.AdminReCache,
},
Route{
"Trigger Recache",
"GET",
"/api/admin/cache/recache",
wrongMethod("POST", AdminReCache),
wrongMethod("POST", admin.AdminReCache),
},
Route{
"Crawls Info",
"GET",
"/api/admin/crawls/info",
AdminCrawlsInfo,
admin.AdminCrawlsInfo,
},
Route{
"Server Health",
"System Info",
"GET",
"/api/health",
HealthCheck,
"/api/admin/sys/info",
admin.AdminSysInfo,
},
// TODO: remove
Route{
"Server Health",
"GET",
"/api/health",
HealthCheck,
},
Route{
"Server Health",
"GET",
"/api/client/health",
client.ClientHealthCheck,
client.HealthCheck,
},
Route{
"Restricted Directories",
"GET",
"/api/client/restricted",
client.RestrictedDownloadDirectories,
"/api/client/restricted-download",
client.RestrictedDownloadPaths,
},
}
func setHeaders(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Origin", config.GetConfig().HTTPAccessControlAllowOriginHeader)
w.Header().Set("Server", "crazy-file-server")
w.Header().Set("Access-Control-Allow-Origin", "*")
next.ServeHTTP(w, r)
})
}
func NewRouter(sharedCache *lru.Cache[string, *CacheItem.Item]) *mux.Router {
r := mux.NewRouter().StrictSlash(true)
for _, route := range routes {
for _, route := range httpRoutes {
var handler http.Handler
// Create a new variable to hold the current route

2
src/api/Download.go → src/api/routes/Download.go
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@ -1,4 +1,4 @@
package api
package routes
import (
"crazyfs/CacheItem"

13
src/api/List.go → src/api/routes/List.go
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@ -1,4 +1,4 @@
package api
package routes
import (
"crazyfs/CacheItem"
@ -6,7 +6,6 @@ import (
"crazyfs/api/helpers"
"crazyfs/config"
"crazyfs/file"
"encoding/json"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
"strconv"
@ -156,7 +155,7 @@ func ListDir(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[stri
}
}
// Erase the children of the children so we aren't displaying things recursively
// Erase the children of the children, so we aren't displaying things recursively.
for i := range paginatedChildren {
paginatedChildren[i].Children = nil
}
@ -175,11 +174,5 @@ func ListDir(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[stri
"type": item.Type,
}
w.Header().Set("Cache-Control", "no-store")
w.Header().Set("Content-Type", "application/json")
err = json.NewEncoder(w).Encode(response)
if err != nil {
log.Errorf("LIST - Failed to serialize JSON: %s", err)
return
}
helpers.WriteJsonResponse(response, true, w, r)
}

12
src/api/Search.go → src/api/routes/Search.go
View File

@ -1,4 +1,4 @@
package api
package routes
import (
"crazyfs/CacheItem"
@ -155,16 +155,10 @@ func SearchFile(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[s
searchDuration := time.Since(searchStart).Round(time.Second)
log.Debugf(`SEARCH - %s - Query: "%s" - Results: %d - Elapsed: %d`, logging.GetRealIP(r), queryString, len(results), searchDuration)
w.Header().Set("Cache-Control", "no-store")
w.Header().Set("Content-Type", "application/json")
err := json.NewEncoder(w).Encode(map[string]interface{}{
response := map[string]interface{}{
"results": results,
"numResults": len(results),
"elapsed": searchDuration,
})
if err != nil {
log.Errorf("SEARCH - Failed to serialize JSON: %s", err)
helpers.Return500Msg(w)
return
}
helpers.WriteJsonResponse(response, true, w, r)
}

2
src/api/Thumbnail.go → src/api/routes/Thumbnail.go
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@ -1,4 +1,4 @@
package api
package routes
import (
"bytes"

2
src/api/AdminCacheInfo.go → src/api/routes/admin/AdminCacheInfo.go
View File

@ -1,4 +1,4 @@
package api
package admin
import (
"crazyfs/CacheItem"

2
src/api/AdminCrawlsInfo.go → src/api/routes/admin/AdminCrawlsInfo.go
View File

@ -1,4 +1,4 @@
package api
package admin
import (
"crazyfs/CacheItem"

2
src/api/AdminRecache.go → src/api/routes/admin/AdminRecache.go
View File

@ -1,4 +1,4 @@
package api
package admin
import (
"crazyfs/CacheItem"

36
src/api/routes/admin/AdminSysInfo.go Normal file
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@ -0,0 +1,36 @@
package admin
import (
"crazyfs/CacheItem"
"crazyfs/api/helpers"
"crazyfs/config"
"crazyfs/logging"
"crypto/sha256"
"crypto/subtle"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
)
func AdminSysInfo(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[string, *CacheItem.Item]) {
username, password, ok := r.BasicAuth()
if ok {
usernameHash := sha256.Sum256([]byte(username))
passwordHash := sha256.Sum256([]byte(password))
expectedUsernameHash := sha256.Sum256([]byte("admin"))
expectedPasswordHash := sha256.Sum256([]byte(config.GetConfig().HttpAdminKey))
usernameMatch := subtle.ConstantTimeCompare(usernameHash[:], expectedUsernameHash[:]) == 1
passwordMatch := subtle.ConstantTimeCompare(passwordHash[:], expectedPasswordHash[:]) == 1
if !usernameMatch || !passwordMatch {
helpers.Return401Msg("unauthorized", w)
return
} else {
response := logging.MemUsage()
w.Header().Set("Cache-Control", "no-store")
helpers.WriteJsonResponse(response, false, w, r)
return
}
}
w.Header().Set("WWW-Authenticate", `Basic realm="restricted", charset="UTF-8"`)
helpers.Return401Msg("unauthorized", w)
}

12
src/api/routes/admin/init.go Normal file
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@ -0,0 +1,12 @@
package admin
import (
"crazyfs/logging"
"github.com/sirupsen/logrus"
)
var log *logrus.Logger
func init() {
log = logging.GetLogger()
}

19
src/api/routes/client/Health.go Normal file
View File

@ -0,0 +1,19 @@
package client
import (
"crazyfs/CacheItem"
"crazyfs/api/helpers"
"crazyfs/cache"
"crazyfs/cache/DirectoryCrawler"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
)
// TODO: show the time the initial crawl started
func HealthCheck(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[string, *CacheItem.Item]) {
response := map[string]interface{}{}
response["scanRunning"] = DirectoryCrawler.GetTotalActiveCrawls() > 0
response["initialScanRunning"] = cache.InitialCrawlInProgress
helpers.WriteJsonResponse(response, false, w, r)
}

14
src/api/routes/client/Restricted.go Normal file
View File

@ -0,0 +1,14 @@
package client
import (
"crazyfs/CacheItem"
"crazyfs/api/helpers"
"crazyfs/config"
lru "github.com/hashicorp/golang-lru/v2"
"net/http"
)
func RestrictedDownloadPaths(w http.ResponseWriter, r *http.Request, sharedCache *lru.Cache[string, *CacheItem.Item]) {
response := config.GetConfig().RestrictedDownloadPaths
helpers.WriteJsonResponse(response, false, w, r)
}

0
src/api/client/init.go → src/api/routes/client/init.go
View File

12
src/api/routes/init.go Normal file
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@ -0,0 +1,12 @@
package routes
import (
"crazyfs/logging"
"github.com/sirupsen/logrus"
)
var log *logrus.Logger
func init() {
log = logging.GetLogger()
}

135
src/config/config.go
View File

@ -10,39 +10,40 @@ import (
var cfg *Config
type Config struct {
RootDir string
HTTPPort string
CrawlModeCrawlInterval int
DirectoryCrawlers int
CacheSize int
CacheTime int
CachePrintNew bool
InitialCrawl bool
CacheRecacheCrawlerLimit int
CrawlerParseMIME bool
CrawlerParseEncoding bool
HttpAPIListCacheControl int
HttpAPIDlCacheControl int
HttpAllowDirMimeParse bool
HttpAdminKey string
HttpAllowDuringInitialCrawl bool
RestrictedDownloadPaths []string
ApiSearchMaxResults int
ApiSearchShowChildren bool
ElasticsearchEnable bool
ElasticsearchEndpoint string
ElasticsearchSyncEnable bool
ElasticsearchSyncInterval int
ElasticsearchFullSyncInterval int
ElasticsearchAPIKey string
ElasticsearchIndex string
ElasticsearchSyncThreads int
ElasticsearchExcludePatterns []string
ElasticsearchAllowConcurrentSyncs bool
ElasticsearchFullSyncOnStart bool
ElasticsearchDefaultQueryField string
HTTPRealIPHeader string
HTTPNoMimeSniffHeader bool
RootDir string
HTTPPort string
CrawlModeCrawlInterval int
DirectoryCrawlers int
CacheSize int
CacheTime int
CachePrintNew bool
InitialCrawl bool
CacheRecacheCrawlerLimit int
CrawlerParseMIME bool
CrawlerParseEncoding bool
HttpAPIListCacheControl int
HttpAPIDlCacheControl int
HttpAllowDirMimeParse bool
HttpAdminKey string
HttpAllowDuringInitialCrawl bool
RestrictedDownloadPaths []string
ApiSearchMaxResults int
ApiSearchShowChildren bool
ElasticsearchEnable bool
ElasticsearchEndpoint string
ElasticsearchSyncEnable bool
ElasticsearchSyncInterval int
ElasticsearchFullSyncInterval int
ElasticsearchAPIKey string
ElasticsearchIndex string
ElasticsearchSyncThreads int
ElasticsearchExcludePatterns []string
ElasticsearchAllowConcurrentSyncs bool
ElasticsearchFullSyncOnStart bool
ElasticsearchDefaultQueryField string
HTTPRealIPHeader string
HTTPNoMimeSniffHeader bool
HTTPAccessControlAllowOriginHeader string
}
func SetConfig(configFile string) (*Config, error) {
@ -88,6 +89,7 @@ func SetConfig(configFile string) (*Config, error) {
viper.SetDefault("elasticsearch_default_query_field", "name")
viper.SetDefault("http_real_ip_header", "X-Forwarded-For")
viper.SetDefault("http_no_mime_sniff_header", false)
viper.SetDefault("http_access_control_allow_origin_header", "*")
err := viper.ReadInConfig()
if err != nil {
@ -107,39 +109,40 @@ func SetConfig(configFile string) (*Config, error) {
}
config := &Config{
RootDir: rootDir,
HTTPPort: viper.GetString("http_port"),
CrawlModeCrawlInterval: viper.GetInt("crawl_mode_crawl_interval"),
DirectoryCrawlers: viper.GetInt("directory_crawlers"),
CacheSize: viper.GetInt("cache_size"),
CacheTime: viper.GetInt("cache_time"),
CachePrintNew: viper.GetBool("cache_print_new"),
InitialCrawl: viper.GetBool("initial_crawl"),
CacheRecacheCrawlerLimit: viper.GetInt("cache_recache_crawler_limit"),
CrawlerParseMIME: viper.GetBool("crawler_parse_mime"),
CrawlerParseEncoding: viper.GetBool("crawler_parse_encoding"),
HttpAPIListCacheControl: viper.GetInt("http_api_list_cache_control"),
HttpAPIDlCacheControl: viper.GetInt("http_api_download_cache_control"),
HttpAllowDirMimeParse: viper.GetBool("http_allow_dir_mime_parse"),
HttpAdminKey: viper.GetString("api_admin_key"),
HttpAllowDuringInitialCrawl: viper.GetBool("http_allow_during_initial_crawl"),
RestrictedDownloadPaths: restrictedPaths,
ApiSearchMaxResults: viper.GetInt("api_search_max_results"),
ApiSearchShowChildren: viper.GetBool("api_search_show_children"),
ElasticsearchEnable: viper.GetBool("elasticsearch_enable"),
ElasticsearchEndpoint: viper.GetString("elasticsearch_endpoint"),
ElasticsearchSyncEnable: viper.GetBool("elasticsearch_sync_enable"),
ElasticsearchSyncInterval: viper.GetInt("elasticsearch_sync_interval"),
ElasticsearchFullSyncInterval: viper.GetInt("elasticsearch_full_sync_interval"),
ElasticsearchAPIKey: viper.GetString("elasticsearch_api_key"),
ElasticsearchIndex: viper.GetString("elasticsearch_index"),
ElasticsearchSyncThreads: viper.GetInt("elasticsearch_sync_threads"),
ElasticsearchExcludePatterns: viper.GetStringSlice("elasticsearch_exclude_patterns"),
ElasticsearchAllowConcurrentSyncs: viper.GetBool("elasticsearch_allow_concurrent_syncs"),
ElasticsearchFullSyncOnStart: viper.GetBool("elasticsearch_full_sync_on_start"),
ElasticsearchDefaultQueryField: viper.GetString("elasticsearch_default_query_field"),
HTTPRealIPHeader: viper.GetString("http_real_ip_header"),
HTTPNoMimeSniffHeader: viper.GetBool("http_no_mime_sniff_header"),
RootDir: rootDir,
HTTPPort: viper.GetString("http_port"),
CrawlModeCrawlInterval: viper.GetInt("crawl_mode_crawl_interval"),
DirectoryCrawlers: viper.GetInt("directory_crawlers"),
CacheSize: viper.GetInt("cache_size"),
CacheTime: viper.GetInt("cache_time"),
CachePrintNew: viper.GetBool("cache_print_new"),
InitialCrawl: viper.GetBool("initial_crawl"),
CacheRecacheCrawlerLimit: viper.GetInt("cache_recache_crawler_limit"),
CrawlerParseMIME: viper.GetBool("crawler_parse_mime"),
CrawlerParseEncoding: viper.GetBool("crawler_parse_encoding"),
HttpAPIListCacheControl: viper.GetInt("http_api_list_cache_control"),
HttpAPIDlCacheControl: viper.GetInt("http_api_download_cache_control"),
HttpAllowDirMimeParse: viper.GetBool("http_allow_dir_mime_parse"),
HttpAdminKey: viper.GetString("api_admin_key"),
HttpAllowDuringInitialCrawl: viper.GetBool("http_allow_during_initial_crawl"),
RestrictedDownloadPaths: restrictedPaths,
ApiSearchMaxResults: viper.GetInt("api_search_max_results"),
ApiSearchShowChildren: viper.GetBool("api_search_show_children"),
ElasticsearchEnable: viper.GetBool("elasticsearch_enable"),
ElasticsearchEndpoint: viper.GetString("elasticsearch_endpoint"),
ElasticsearchSyncEnable: viper.GetBool("elasticsearch_sync_enable"),
ElasticsearchSyncInterval: viper.GetInt("elasticsearch_sync_interval"),
ElasticsearchFullSyncInterval: viper.GetInt("elasticsearch_full_sync_interval"),
ElasticsearchAPIKey: viper.GetString("elasticsearch_api_key"),
ElasticsearchIndex: viper.GetString("elasticsearch_index"),
ElasticsearchSyncThreads: viper.GetInt("elasticsearch_sync_threads"),
ElasticsearchExcludePatterns: viper.GetStringSlice("elasticsearch_exclude_patterns"),
ElasticsearchAllowConcurrentSyncs: viper.GetBool("elasticsearch_allow_concurrent_syncs"),
ElasticsearchFullSyncOnStart: viper.GetBool("elasticsearch_full_sync_on_start"),
ElasticsearchDefaultQueryField: viper.GetString("elasticsearch_default_query_field"),
HTTPRealIPHeader: viper.GetString("http_real_ip_header"),
HTTPNoMimeSniffHeader: viper.GetBool("http_no_mime_sniff_header"),
HTTPAccessControlAllowOriginHeader: viper.GetString("http_access_control_allow_origin_header"),
}
if config.CacheTime < 0 {

9
src/logging/http.go
View File

@ -5,6 +5,7 @@ import (
"net"
"net/http"
"strings"
"time"
)
type statusWriter struct {
@ -39,10 +40,16 @@ func GetRealIP(r *http.Request) string {
func LogRequest(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
sw := statusWriter{ResponseWriter: w, status: http.StatusOK} // set default status
start := time.Now() // record the start time
handler.ServeHTTP(&sw, r)
end := time.Now() // record the end time
// calculate the duration
duration := end.Sub(start)
ip := GetRealIP(r)
log.Infof("%s - %d - %s from %s", r.Method, sw.status, r.URL.RequestURI(), ip)
log.Infof("%s - %d - %s from %s took %v", r.Method, sw.status, r.URL.RequestURI(), ip, duration)
})
}

38
src/logging/memory.go Normal file
View File

@ -0,0 +1,38 @@
package logging
import (
"fmt"
"runtime"
)
func MemUsage() map[string]interface{} {
// https://golang.org/pkg/runtime/#MemStats
var m runtime.MemStats
runtime.ReadMemStats(&m)
return map[string]interface{}{
"numGC": m.NumGC, // number of completed GC cycles
"machine": map[string]interface{}{
"allocated": m.Alloc, // size allocated heap objects
"totalAllocated": m.TotalAlloc, // cumulative size allocated for heap objects
"sys": m.Sys, // total memory obtained from the OS
},
"human": map[string]interface{}{
"allocated": humanReadable(m.Alloc),
"totalAllocated": humanReadable(m.TotalAlloc),
"sys": humanReadable(m.Sys),
},
}
}
func humanReadable(b uint64) string {
const unit = 1024
if b < unit {
return fmt.Sprintf("%d B", b)
}
div, exp := uint64(unit), 0
for n := b / unit; n >= unit; n /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "KMGTPE"[exp])
}