Evan Reichard
015ca30ac5
All checks were successful
continuous-integration/drone/push Build is passing
661 lines
17 KiB
Go
661 lines
17 KiB
Go
package api
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import (
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"crypto/md5"
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"database/sql"
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"encoding/json"
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"fmt"
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"html"
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"io"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"time"
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argon2 "github.com/alexedwards/argon2id"
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"github.com/gabriel-vasile/mimetype"
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"github.com/gin-gonic/gin"
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log "github.com/sirupsen/logrus"
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"golang.org/x/exp/slices"
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"reichard.io/antholume/database"
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"reichard.io/antholume/metadata"
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"reichard.io/antholume/utils"
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)
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type activityItem struct {
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DocumentID string `json:"document"`
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StartTime int64 `json:"start_time"`
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Duration int64 `json:"duration"`
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Page int64 `json:"page"`
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Pages int64 `json:"pages"`
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}
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type requestActivity struct {
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DeviceID string `json:"device_id"`
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Device string `json:"device"`
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Activity []activityItem `json:"activity"`
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}
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type requestCheckActivitySync struct {
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DeviceID string `json:"device_id"`
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Device string `json:"device"`
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}
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type requestDocument struct {
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Documents []database.Document `json:"documents"`
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}
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type requestPosition struct {
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DocumentID string `json:"document"`
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Percentage float64 `json:"percentage"`
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Progress string `json:"progress"`
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Device string `json:"device"`
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DeviceID string `json:"device_id"`
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}
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type requestUser struct {
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Username string `json:"username"`
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Password string `json:"password"`
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}
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type requestCheckDocumentSync struct {
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DeviceID string `json:"device_id"`
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Device string `json:"device"`
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Have []string `json:"have"`
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}
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type responseCheckDocumentSync struct {
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WantFiles []string `json:"want_files"`
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WantMetadata []string `json:"want_metadata"`
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Give []database.Document `json:"give"`
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Delete []string `json:"deleted"`
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}
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type requestDocumentID struct {
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DocumentID string `uri:"document" binding:"required"`
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}
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func (api *API) koAuthorizeUser(c *gin.Context) {
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c.JSON(200, gin.H{
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"authorized": "OK",
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})
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}
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func (api *API) koCreateUser(c *gin.Context) {
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if !api.cfg.RegistrationEnabled {
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c.AbortWithStatus(http.StatusConflict)
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return
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}
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var rUser requestUser
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if err := c.ShouldBindJSON(&rUser); err != nil {
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log.Error("Invalid JSON Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid User Data")
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return
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}
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if rUser.Username == "" || rUser.Password == "" {
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log.Error("Invalid User - Empty Username or Password")
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apiErrorPage(c, http.StatusBadRequest, "Invalid User Data")
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return
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}
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hashedPassword, err := argon2.CreateHash(rUser.Password, argon2.DefaultParams)
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if err != nil {
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log.Error("Argon2 Hash Failure:", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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// Generate Auth Hash
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rawAuthHash, err := utils.GenerateToken(64)
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if err != nil {
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log.Error("Failed to generate user token: ", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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rows, err := api.db.Queries.CreateUser(api.db.Ctx, database.CreateUserParams{
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ID: rUser.Username,
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Pass: &hashedPassword,
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AuthHash: fmt.Sprintf("%x", rawAuthHash),
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})
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if err != nil {
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log.Error("CreateUser DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid User Data")
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return
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}
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// User Exists
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if rows == 0 {
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log.Error("User Already Exists:", rUser.Username)
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apiErrorPage(c, http.StatusBadRequest, "User Already Exists")
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return
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}
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c.JSON(http.StatusCreated, gin.H{
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"username": rUser.Username,
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})
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}
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func (api *API) koSetProgress(c *gin.Context) {
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var auth authData
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if data, _ := c.Get("Authorization"); data != nil {
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auth = data.(authData)
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}
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var rPosition requestPosition
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if err := c.ShouldBindJSON(&rPosition); err != nil {
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log.Error("Invalid JSON Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid Progress Data")
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return
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}
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// Upsert Device
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if _, err := api.db.Queries.UpsertDevice(api.db.Ctx, database.UpsertDeviceParams{
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ID: rPosition.DeviceID,
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UserID: auth.UserName,
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DeviceName: rPosition.Device,
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LastSynced: time.Now().UTC().Format(time.RFC3339),
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}); err != nil {
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log.Error("UpsertDevice DB Error:", err)
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}
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// Upsert Document
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if _, err := api.db.Queries.UpsertDocument(api.db.Ctx, database.UpsertDocumentParams{
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ID: rPosition.DocumentID,
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}); err != nil {
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log.Error("UpsertDocument DB Error:", err)
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}
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// Create or Replace Progress
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progress, err := api.db.Queries.UpdateProgress(api.db.Ctx, database.UpdateProgressParams{
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Percentage: rPosition.Percentage,
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DocumentID: rPosition.DocumentID,
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DeviceID: rPosition.DeviceID,
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UserID: auth.UserName,
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Progress: rPosition.Progress,
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})
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if err != nil {
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log.Error("UpdateProgress DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"document": progress.DocumentID,
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"timestamp": progress.CreatedAt,
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})
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}
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func (api *API) koGetProgress(c *gin.Context) {
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var auth authData
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if data, _ := c.Get("Authorization"); data != nil {
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auth = data.(authData)
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}
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var rDocID requestDocumentID
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if err := c.ShouldBindUri(&rDocID); err != nil {
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log.Error("Invalid URI Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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progress, err := api.db.Queries.GetDocumentProgress(api.db.Ctx, database.GetDocumentProgressParams{
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DocumentID: rDocID.DocumentID,
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UserID: auth.UserName,
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})
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if err == sql.ErrNoRows {
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// Not Found
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c.JSON(http.StatusOK, gin.H{})
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return
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} else if err != nil {
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log.Error("GetDocumentProgress DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Document")
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"document": progress.DocumentID,
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"percentage": progress.Percentage,
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"progress": progress.Progress,
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"device": progress.DeviceName,
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"device_id": progress.DeviceID,
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})
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}
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func (api *API) koAddActivities(c *gin.Context) {
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var auth authData
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if data, _ := c.Get("Authorization"); data != nil {
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auth = data.(authData)
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}
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var rActivity requestActivity
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if err := c.ShouldBindJSON(&rActivity); err != nil {
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log.Error("Invalid JSON Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid Activity")
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return
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}
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// Do Transaction
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tx, err := api.db.DB.Begin()
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if err != nil {
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log.Error("Transaction Begin DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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// Derive Unique Documents
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allDocumentsMap := make(map[string]bool)
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for _, item := range rActivity.Activity {
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allDocumentsMap[item.DocumentID] = true
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}
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allDocuments := getKeys(allDocumentsMap)
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// Defer & Start Transaction
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defer tx.Rollback()
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qtx := api.db.Queries.WithTx(tx)
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// Upsert Documents
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for _, doc := range allDocuments {
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if _, err := qtx.UpsertDocument(api.db.Ctx, database.UpsertDocumentParams{
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ID: doc,
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}); err != nil {
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log.Error("UpsertDocument DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Document")
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return
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}
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}
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// Upsert Device
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if _, err = qtx.UpsertDevice(api.db.Ctx, database.UpsertDeviceParams{
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ID: rActivity.DeviceID,
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UserID: auth.UserName,
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DeviceName: rActivity.Device,
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LastSynced: time.Now().UTC().Format(time.RFC3339),
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}); err != nil {
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log.Error("UpsertDevice DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Device")
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return
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}
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// Add All Activity
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for _, item := range rActivity.Activity {
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if _, err := qtx.AddActivity(api.db.Ctx, database.AddActivityParams{
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UserID: auth.UserName,
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DocumentID: item.DocumentID,
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DeviceID: rActivity.DeviceID,
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StartTime: time.Unix(int64(item.StartTime), 0).UTC().Format(time.RFC3339),
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Duration: int64(item.Duration),
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StartPercentage: float64(item.Page) / float64(item.Pages),
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EndPercentage: float64(item.Page+1) / float64(item.Pages),
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}); err != nil {
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log.Error("AddActivity DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Activity")
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return
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}
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}
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// Commit Transaction
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if err := tx.Commit(); err != nil {
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log.Error("Transaction Commit DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"added": len(rActivity.Activity),
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})
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}
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func (api *API) koCheckActivitySync(c *gin.Context) {
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var auth authData
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if data, _ := c.Get("Authorization"); data != nil {
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auth = data.(authData)
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}
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var rCheckActivity requestCheckActivitySync
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if err := c.ShouldBindJSON(&rCheckActivity); err != nil {
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log.Error("Invalid JSON Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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// Upsert Device
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if _, err := api.db.Queries.UpsertDevice(api.db.Ctx, database.UpsertDeviceParams{
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ID: rCheckActivity.DeviceID,
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UserID: auth.UserName,
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DeviceName: rCheckActivity.Device,
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LastSynced: time.Now().UTC().Format(time.RFC3339),
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}); err != nil {
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log.Error("UpsertDevice DB Error", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Device")
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return
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}
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// Get Last Device Activity
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lastActivity, err := api.db.Queries.GetLastActivity(api.db.Ctx, database.GetLastActivityParams{
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UserID: auth.UserName,
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DeviceID: rCheckActivity.DeviceID,
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})
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if err == sql.ErrNoRows {
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lastActivity = time.UnixMilli(0).Format(time.RFC3339)
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} else if err != nil {
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log.Error("GetLastActivity DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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// Parse Time
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parsedTime, err := time.Parse(time.RFC3339, lastActivity)
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if err != nil {
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log.Error("Time Parse Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"last_sync": parsedTime.Unix(),
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})
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}
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func (api *API) koAddDocuments(c *gin.Context) {
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var rNewDocs requestDocument
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if err := c.ShouldBindJSON(&rNewDocs); err != nil {
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log.Error("Invalid JSON Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid Document(s)")
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return
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}
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// Do Transaction
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tx, err := api.db.DB.Begin()
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if err != nil {
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log.Error("Transaction Begin DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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// Defer & Start Transaction
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defer tx.Rollback()
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qtx := api.db.Queries.WithTx(tx)
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// Upsert Documents
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for _, doc := range rNewDocs.Documents {
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_, err := qtx.UpsertDocument(api.db.Ctx, database.UpsertDocumentParams{
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ID: doc.ID,
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Title: api.sanitizeInput(doc.Title),
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Author: api.sanitizeInput(doc.Author),
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Series: api.sanitizeInput(doc.Series),
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SeriesIndex: doc.SeriesIndex,
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Lang: api.sanitizeInput(doc.Lang),
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Description: api.sanitizeInput(doc.Description),
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})
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if err != nil {
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log.Error("UpsertDocument DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Document")
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return
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}
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}
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// Commit Transaction
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if err := tx.Commit(); err != nil {
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log.Error("Transaction Commit DB Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "Unknown Error")
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"changed": len(rNewDocs.Documents),
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})
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}
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func (api *API) koCheckDocumentsSync(c *gin.Context) {
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var auth authData
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if data, _ := c.Get("Authorization"); data != nil {
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auth = data.(authData)
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}
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var rCheckDocs requestCheckDocumentSync
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if err := c.ShouldBindJSON(&rCheckDocs); err != nil {
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log.Error("Invalid JSON Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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// Upsert Device
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_, err := api.db.Queries.UpsertDevice(api.db.Ctx, database.UpsertDeviceParams{
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ID: rCheckDocs.DeviceID,
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UserID: auth.UserName,
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DeviceName: rCheckDocs.Device,
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LastSynced: time.Now().UTC().Format(time.RFC3339),
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})
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if err != nil {
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log.Error("UpsertDevice DB Error", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Device")
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return
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}
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missingDocs := []database.Document{}
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deletedDocIDs := []string{}
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// Get Missing Documents
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missingDocs, err = api.db.Queries.GetMissingDocuments(api.db.Ctx, rCheckDocs.Have)
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if err != nil {
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log.Error("GetMissingDocuments DB Error", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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// Get Deleted Documents
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deletedDocIDs, err = api.db.Queries.GetDeletedDocuments(api.db.Ctx, rCheckDocs.Have)
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if err != nil {
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log.Error("GetDeletedDocuments DB Error", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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// Get Wanted Documents
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jsonHaves, err := json.Marshal(rCheckDocs.Have)
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if err != nil {
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log.Error("JSON Marshal Error", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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wantedDocs, err := api.db.Queries.GetWantedDocuments(api.db.Ctx, string(jsonHaves))
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if err != nil {
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log.Error("GetWantedDocuments DB Error", err)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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// Split Metadata & File Wants
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var wantedMetadataDocIDs []string
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var wantedFilesDocIDs []string
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for _, v := range wantedDocs {
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if v.WantMetadata {
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wantedMetadataDocIDs = append(wantedMetadataDocIDs, v.ID)
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}
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if v.WantFile {
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wantedFilesDocIDs = append(wantedFilesDocIDs, v.ID)
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}
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}
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rCheckDocSync := responseCheckDocumentSync{
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Delete: []string{},
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WantFiles: []string{},
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WantMetadata: []string{},
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Give: []database.Document{},
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}
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// Ensure Empty Array
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if wantedMetadataDocIDs != nil {
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rCheckDocSync.WantMetadata = wantedMetadataDocIDs
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}
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if wantedFilesDocIDs != nil {
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rCheckDocSync.WantFiles = wantedFilesDocIDs
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}
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if missingDocs != nil {
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rCheckDocSync.Give = missingDocs
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}
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if deletedDocIDs != nil {
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rCheckDocSync.Delete = deletedDocIDs
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}
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c.JSON(http.StatusOK, rCheckDocSync)
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}
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func (api *API) koUploadExistingDocument(c *gin.Context) {
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var rDoc requestDocumentID
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if err := c.ShouldBindUri(&rDoc); err != nil {
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log.Error("Invalid URI Bind")
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apiErrorPage(c, http.StatusBadRequest, "Invalid Request")
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return
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}
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fileData, err := c.FormFile("file")
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if err != nil {
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log.Error("File Error:", err)
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apiErrorPage(c, http.StatusBadRequest, "File Error")
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return
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}
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// Validate Type & Derive Extension on MIME
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uploadedFile, err := fileData.Open()
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fileMime, err := mimetype.DetectReader(uploadedFile)
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fileExtension := fileMime.Extension()
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if !slices.Contains([]string{".epub", ".html"}, fileExtension) {
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log.Error("Invalid FileType:", fileExtension)
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apiErrorPage(c, http.StatusBadRequest, "Invalid Filetype")
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return
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}
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// Validate Document Exists in DB
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document, err := api.db.Queries.GetDocument(api.db.Ctx, rDoc.DocumentID)
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if err != nil {
|
|
log.Error("GetDocument DB Error:", err)
|
|
apiErrorPage(c, http.StatusBadRequest, "Unknown Document")
|
|
return
|
|
}
|
|
|
|
// Derive Filename
|
|
var fileName string
|
|
if document.Author != nil {
|
|
fileName = fileName + *document.Author
|
|
} else {
|
|
fileName = fileName + "Unknown"
|
|
}
|
|
|
|
if document.Title != nil {
|
|
fileName = fileName + " - " + *document.Title
|
|
} else {
|
|
fileName = fileName + " - Unknown"
|
|
}
|
|
|
|
// Remove Slashes
|
|
fileName = strings.ReplaceAll(fileName, "/", "")
|
|
|
|
// Derive & Sanitize File Name
|
|
fileName = "." + filepath.Clean(fmt.Sprintf("/%s [%s]%s", fileName, document.ID, fileExtension))
|
|
|
|
// Generate Storage Path
|
|
safePath := filepath.Join(api.cfg.DataPath, "documents", fileName)
|
|
|
|
// Save & Prevent Overwrites
|
|
_, err = os.Stat(safePath)
|
|
if os.IsNotExist(err) {
|
|
err = c.SaveUploadedFile(fileData, safePath)
|
|
if err != nil {
|
|
log.Error("Save Failure:", err)
|
|
apiErrorPage(c, http.StatusBadRequest, "File Error")
|
|
return
|
|
}
|
|
}
|
|
|
|
// Get MD5 Hash
|
|
fileHash, err := getFileMD5(safePath)
|
|
if err != nil {
|
|
log.Error("Hash Failure:", err)
|
|
apiErrorPage(c, http.StatusBadRequest, "File Error")
|
|
return
|
|
}
|
|
|
|
// Get Word Count
|
|
wordCount, err := metadata.GetWordCount(safePath)
|
|
if err != nil {
|
|
log.Error("Word Count Failure:", err)
|
|
apiErrorPage(c, http.StatusBadRequest, "File Error")
|
|
return
|
|
}
|
|
|
|
// Upsert Document
|
|
if _, err = api.db.Queries.UpsertDocument(api.db.Ctx, database.UpsertDocumentParams{
|
|
ID: document.ID,
|
|
Md5: fileHash,
|
|
Filepath: &fileName,
|
|
Words: &wordCount,
|
|
}); err != nil {
|
|
log.Error("UpsertDocument DB Error:", err)
|
|
apiErrorPage(c, http.StatusBadRequest, "Document Error")
|
|
return
|
|
}
|
|
|
|
c.JSON(http.StatusOK, gin.H{
|
|
"status": "ok",
|
|
})
|
|
}
|
|
|
|
func (api *API) koDemoModeJSONError(c *gin.Context) {
|
|
apiErrorPage(c, http.StatusUnauthorized, "Not Allowed in Demo Mode")
|
|
}
|
|
|
|
func apiErrorPage(c *gin.Context, errorCode int, errorMessage string) {
|
|
c.AbortWithStatusJSON(errorCode, gin.H{"error": errorMessage})
|
|
}
|
|
|
|
func (api *API) sanitizeInput(val any) *string {
|
|
switch v := val.(type) {
|
|
case *string:
|
|
if v != nil {
|
|
newString := html.UnescapeString(htmlPolicy.Sanitize(string(*v)))
|
|
return &newString
|
|
}
|
|
case string:
|
|
if v != "" {
|
|
newString := html.UnescapeString(htmlPolicy.Sanitize(string(v)))
|
|
return &newString
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func getKeys[M ~map[K]V, K comparable, V any](m M) []K {
|
|
r := make([]K, 0, len(m))
|
|
for k := range m {
|
|
r = append(r, k)
|
|
}
|
|
return r
|
|
}
|
|
|
|
func getFileMD5(filePath string) (*string, error) {
|
|
file, err := os.Open(filePath)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
defer file.Close()
|
|
|
|
hash := md5.New()
|
|
_, err = io.Copy(hash, file)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
fileHash := fmt.Sprintf("%x", hash.Sum(nil))
|
|
|
|
return &fileHash, nil
|
|
}
|