From 17d0e8bfcd125e682eadcc34fe23b0106e0b7bcf Mon Sep 17 00:00:00 2001 From: Randall Winkhart Date: Sun, 19 May 2024 17:30:39 -0400 Subject: [PATCH] Switch from SCP to SFTP for sync --- go.mod | 3 +- go.sum | 39 ++++++++++++++++++++++-- src/sync/client.go | 75 +++++++++++++++++++++++++++++++++------------- 3 files changed, 94 insertions(+), 23 deletions(-) diff --git a/go.mod b/go.mod index 482fbdf..be26c1a 100644 --- a/go.mod +++ b/go.mod @@ -3,9 +3,9 @@ module github.com/rwinkhart/MUTN go 1.22.2 require ( - github.com/bramvdbogaerde/go-scp v1.4.0 github.com/charmbracelet/glamour v0.7.0 github.com/fortis/go-steam-totp v0.0.0-20171114202746-18e928674727 + github.com/pkg/sftp v1.13.6 github.com/pquerna/otp v1.4.1-0.20231130234153-3357de7c0481 golang.org/x/crypto v0.23.0 gopkg.in/ini.v1 v1.67.0 @@ -18,6 +18,7 @@ require ( github.com/boombuler/barcode v1.0.1 // indirect github.com/dlclark/regexp2 v1.11.0 // indirect github.com/gorilla/css v1.0.1 // indirect + github.com/kr/fs v0.1.0 // indirect github.com/lucasb-eyer/go-colorful v1.2.0 // indirect github.com/mattn/go-isatty v0.0.20 // indirect github.com/mattn/go-runewidth v0.0.15 // indirect diff --git a/go.sum b/go.sum index 010d995..a2691c9 100644 --- a/go.sum +++ b/go.sum @@ -11,8 +11,6 @@ github.com/aymerick/douceur v0.2.0/go.mod h1:wlT5vV2O3h55X9m7iVYN0TBM0NH/MmbLnd3 github.com/boombuler/barcode v1.0.1-0.20190219062509-6c824513bacc/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8= github.com/boombuler/barcode v1.0.1 h1:NDBbPmhS+EqABEs5Kg3n/5ZNjy73Pz7SIV+KCeqyXcs= github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8= -github.com/bramvdbogaerde/go-scp v1.4.0 h1:jKMwpwCbcX1KyvDbm/PDJuXcMuNVlLGi0Q0reuzjyKY= -github.com/bramvdbogaerde/go-scp v1.4.0/go.mod h1:on2aH5AxaFb2G0N5Vsdy6B0Ml7k9HuHSwfo1y0QzAbQ= github.com/charmbracelet/glamour v0.7.0 h1:2BtKGZ4iVJCDfMF229EzbeR1QRKLWztO9dMtjmqZSng= github.com/charmbracelet/glamour v0.7.0/go.mod h1:jUMh5MeihljJPQbJ/wf4ldw2+yBP59+ctV36jASy7ps= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= @@ -26,6 +24,8 @@ github.com/gorilla/css v1.0.1 h1:ntNaBIghp6JmvWnxbZKANoLyuXTPZ4cAMlo6RyhlbO8= github.com/gorilla/css v1.0.1/go.mod h1:BvnYkspnSzMmwRK+b8/xgNPLiIuNZr6vbZBTPQ2A3b0= github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM= github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg= +github.com/kr/fs v0.1.0 h1:Jskdu9ieNAYnjxsi0LbQp1ulIKZV1LAFgK1tWhpZgl8= +github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg= github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY= github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0= github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY= @@ -42,6 +42,8 @@ github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1noLXviQ8= github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec= github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY= +github.com/pkg/sftp v1.13.6 h1:JFZT4XbOU7l77xGSpOdW+pwIMqP044IyjXX6FGyEKFo= +github.com/pkg/sftp v1.13.6/go.mod h1:tz1ryNURKu77RL+GuCzmoJYxQczL3wLNNpPWagdg4Qk= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/pquerna/otp v1.4.1-0.20231130234153-3357de7c0481 h1:FkxbO331O7mS5EJkP+MCi0o2gswh/Aezs+//NmefrR8= @@ -51,24 +53,57 @@ github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJ github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ= github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk= github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= github.com/yuin/goldmark v1.3.7/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= github.com/yuin/goldmark v1.7.1 h1:3bajkSilaCbjdKVsKdZjZCLBNPL9pYzrCakKaf4U49U= github.com/yuin/goldmark v1.7.1/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E= github.com/yuin/goldmark-emoji v1.0.2 h1:c/RgTShNgHTtc6xdz2KKI74jJr6rWi7FPgnP9GAsO5s= github.com/yuin/goldmark-emoji v1.0.2/go.mod h1:RhP/RWpexdp+KHs7ghKnifRoIs/Bq4nDS7tRbCkOwKY= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/crypto v0.1.0/go.mod h1:RecgLatLF4+eUMCP1PoPZQb+cVrJcOPbHkTkbkB9sbw= golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI= golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8= +golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= +golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= +golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= +golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco= golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac= golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM= +golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y= golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= +golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= golang.org/x/term v0.20.0 h1:VnkxpohqXaOBYJtBmEppKUG6mXpi+4O6purfc2+sMhw= golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA= gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/src/sync/client.go b/src/sync/client.go index 1b5d087..490f730 100644 --- a/src/sync/client.go +++ b/src/sync/client.go @@ -1,9 +1,8 @@ package sync import ( - "context" "fmt" - "github.com/bramvdbogaerde/go-scp" + "github.com/pkg/sftp" "github.com/rwinkhart/MUTN/src/backend" "golang.org/x/crypto/ssh" "golang.org/x/crypto/ssh/knownhosts" @@ -117,32 +116,68 @@ func GetSSHOutput(cmd string, manualSync bool) string { return outputString } -// scpTransfer uploads or downloads an entry over SCP // TODO consider using goroutines for multithreaded syncs +// sftpTransfer uploads or downloads an entry over SFTP // TODO iterate over a map of operations to slices of entries, rather than repeatedly calling this function // WARNING: does not close sshClient; it is left open for further operations -// TODO does not yet support modification time preservation, needs https://github.com/bramvdbogaerde/go-scp/pull/81/commits -func scpTransfer(sshClient *ssh.Client, entryName, sshUser string, download bool) { - // create an SCP client TODO see if one can be passed in and reused - scpClient, err := scp.NewClientBySSH(sshClient) - +func sftpTransfer(sshClient *ssh.Client, entryName, sshUser string, download bool) { + // create an SFTP client + sftpClient, err := sftp.NewClient(sshClient) if err != nil { - fmt.Println(backend.AnsiError+"Sync failed - Unable to establish SCP session:", err.Error()+backend.AnsiReset) + fmt.Println(backend.AnsiError+"Sync failed - Unable to establish SFTP session:", err.Error()+backend.AnsiReset) os.Exit(1) } + defer sftpClient.Close() // upload or download the entry if download { - f, _ := os.Create(backend.EntryRoot + entryName) - defer f.Close() - err = scpClient.CopyFromRemote(context.Background(), f, backend.PathSeparator+"home"+backend.PathSeparator+sshUser+bareEntryRoot+entryName) // TODO support remote home directories other than "/home/$USER" (maybe fetch home directory form server during init, transparently to the user) + // open remote file TODO fetch mod time and assign to downloaded file + var remoteFile *sftp.File + remoteFile, err = sftpClient.Open("/home/" + sshUser + bareEntryRoot + entryName) if err != nil { - fmt.Println(backend.AnsiError+"Sync failed - Unable to download entry:", entryName, err.Error()+backend.AnsiReset) + fmt.Println(backend.AnsiError+"Sync failed - Unable to open remote file:", err.Error()+backend.AnsiReset) os.Exit(1) + } + defer remoteFile.Close() + // create local file + var localFile *os.File + localFile, err = os.Create(backend.EntryRoot + entryName) + if err != nil { + fmt.Println(backend.AnsiError+"Sync failed - Unable to create local file:", err.Error()+backend.AnsiReset) + os.Exit(1) + } + defer localFile.Close() + + // download the file + _, err = remoteFile.WriteTo(localFile) + if err != nil { + fmt.Println(backend.AnsiError+"Sync failed - Unable to download remote file:", err.Error()+backend.AnsiReset) + os.Exit(1) } } else { - f, _ := os.Open(backend.EntryRoot + entryName) - defer f.Close() - err = scpClient.CopyFromFile(context.Background(), *f, backend.PathSeparator+"home"+backend.PathSeparator+sshUser+bareEntryRoot+entryName, "0600") + // open local file TODO fetch mod time and assign to uploaded file + var localFile *os.File + localFile, err = os.Open(backend.EntryRoot + entryName) + if err != nil { + fmt.Println(backend.AnsiError+"Sync failed - Unable to open local file:", err.Error()+backend.AnsiReset) + os.Exit(1) + } + defer localFile.Close() + + // create remote file + var remoteFile *sftp.File + remoteFile, err = sftpClient.Create("/home/" + sshUser + bareEntryRoot + entryName) + if err != nil { + fmt.Println(backend.AnsiError+"Sync failed - Unable to create remote file:", err.Error()+backend.AnsiReset) + os.Exit(1) + } + defer remoteFile.Close() + + // upload the file + _, err = localFile.WriteTo(remoteFile) + if err != nil { + fmt.Println(backend.AnsiError+"Sync failed - Unable to upload local file:", err.Error()+backend.AnsiReset) + os.Exit(1) + } } } @@ -220,23 +255,23 @@ func syncLists(localEntryModMap, remoteEntryModMap map[string]int64, manualSync // entry exists on both client and server, compare mod times if remoteModTime > localModTime { fmt.Println(ansiDownload+entry+backend.AnsiReset, "is newer on server, downloading...") - scpTransfer(sshClient, entry, sshUser, true) + sftpTransfer(sshClient, entry, sshUser, true) } else if remoteModTime < localModTime { fmt.Println(ansiUpload+entry+backend.AnsiReset, "is newer on client, uploading...") - scpTransfer(sshClient, entry, sshUser, false) + sftpTransfer(sshClient, entry, sshUser, false) } // remove entry from remoteEntryModMap (process of elimination) delete(remoteEntryModMap, entry) } else { fmt.Println(ansiUpload+entry+backend.AnsiReset, "does not exist on server, uploading...") - scpTransfer(sshClient, entry, sshUser, false) + sftpTransfer(sshClient, entry, sshUser, false) } } // iterate over remaining entries in remoteEntryModMap for entry := range remoteEntryModMap { fmt.Println(ansiDownload+entry+backend.AnsiReset, "does not exist on client, downloading...") - scpTransfer(sshClient, entry, sshUser, true) + sftpTransfer(sshClient, entry, sshUser, true) } }