gotosocial/internal/web/base.go

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/*
GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package web
import (
"errors"
"fmt"
"io/ioutil"
"net/http"
"path/filepath"
"strings"
"github.com/gin-gonic/gin"
"github.com/superseriousbusiness/gotosocial/internal/api"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/processing"
"github.com/superseriousbusiness/gotosocial/internal/router"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
const (
confirmEmailPath = "/" + uris.ConfirmEmailPath
tokenParam = "token"
usernameKey = "username"
statusIDKey = "status"
profilePath = "/@:" + usernameKey
statusPath = profilePath + "/statuses/:" + statusIDKey
)
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// Module implements the api.ClientModule interface for web pages.
type Module struct {
processor processing.Processor
assetsPath string
adminPath string
defaultAvatars []string
}
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// New returns a new api.ClientModule for web pages.
func New(processor processing.Processor) (api.ClientModule, error) {
[chore] Global server configuration overhaul (#575) * move config flag names and usage to config package, rewrite config package to use global Configuration{} struct Signed-off-by: kim <grufwub@gmail.com> * improved code comment Signed-off-by: kim <grufwub@gmail.com> * linter Signed-off-by: kim <grufwub@gmail.com> * fix unmarshaling Signed-off-by: kim <grufwub@gmail.com> * remove kim's custom go compiler changes Signed-off-by: kim <grufwub@gmail.com> * generate setter and flag-name functions, implement these in codebase Signed-off-by: kim <grufwub@gmail.com> * update deps Signed-off-by: kim <grufwub@gmail.com> * small change Signed-off-by: kim <grufwub@gmail.com> * appease the linter... Signed-off-by: kim <grufwub@gmail.com> * move configuration into ConfigState structure, ensure reloading to/from viper settings to keep in sync Signed-off-by: kim <grufwub@gmail.com> * lint Signed-off-by: kim <grufwub@gmail.com> * update code comments Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * improved version string (removes time + go version) Signed-off-by: kim <grufwub@gmail.com> * fix version string build to pass test script + consolidate logic in func Signed-off-by: kim <grufwub@gmail.com> * add license text, update config.Defaults comment Signed-off-by: kim <grufwub@gmail.com> * add license text to generated config helpers file Signed-off-by: kim <grufwub@gmail.com> * defer unlock on config.Set___(), to ensure unlocked on panic Signed-off-by: kim <grufwub@gmail.com> * make it more obvious which cmd flags are being attached Signed-off-by: kim <grufwub@gmail.com>
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assetsBaseDir := config.GetWebAssetBaseDir()
if assetsBaseDir == "" {
[chore] Global server configuration overhaul (#575) * move config flag names and usage to config package, rewrite config package to use global Configuration{} struct Signed-off-by: kim <grufwub@gmail.com> * improved code comment Signed-off-by: kim <grufwub@gmail.com> * linter Signed-off-by: kim <grufwub@gmail.com> * fix unmarshaling Signed-off-by: kim <grufwub@gmail.com> * remove kim's custom go compiler changes Signed-off-by: kim <grufwub@gmail.com> * generate setter and flag-name functions, implement these in codebase Signed-off-by: kim <grufwub@gmail.com> * update deps Signed-off-by: kim <grufwub@gmail.com> * small change Signed-off-by: kim <grufwub@gmail.com> * appease the linter... Signed-off-by: kim <grufwub@gmail.com> * move configuration into ConfigState structure, ensure reloading to/from viper settings to keep in sync Signed-off-by: kim <grufwub@gmail.com> * lint Signed-off-by: kim <grufwub@gmail.com> * update code comments Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * improved version string (removes time + go version) Signed-off-by: kim <grufwub@gmail.com> * fix version string build to pass test script + consolidate logic in func Signed-off-by: kim <grufwub@gmail.com> * add license text, update config.Defaults comment Signed-off-by: kim <grufwub@gmail.com> * add license text to generated config helpers file Signed-off-by: kim <grufwub@gmail.com> * defer unlock on config.Set___(), to ensure unlocked on panic Signed-off-by: kim <grufwub@gmail.com> * make it more obvious which cmd flags are being attached Signed-off-by: kim <grufwub@gmail.com>
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return nil, fmt.Errorf("%s cannot be empty and must be a relative or absolute path", config.WebAssetBaseDirFlag())
}
assetsPath, err := filepath.Abs(assetsBaseDir)
if err != nil {
return nil, fmt.Errorf("error getting absolute path of %s: %s", assetsBaseDir, err)
}
defaultAvatarsPath := filepath.Join(assetsPath, "default_avatars")
defaultAvatarFiles, err := ioutil.ReadDir(defaultAvatarsPath)
if err != nil {
return nil, fmt.Errorf("error reading default avatars at %s: %s", defaultAvatarsPath, err)
}
defaultAvatars := []string{}
for _, f := range defaultAvatarFiles {
// ignore directories
if f.IsDir() {
continue
}
// ignore files bigger than 50kb
if f.Size() > 50000 {
continue
}
extension := strings.TrimPrefix(strings.ToLower(filepath.Ext(f.Name())), ".")
// take only files with simple extensions
switch extension {
case "svg", "jpeg", "jpg", "gif", "png":
defaultAvatarPath := fmt.Sprintf("/assets/default_avatars/%s", f.Name())
defaultAvatars = append(defaultAvatars, defaultAvatarPath)
default:
continue
}
}
return &Module{
processor: processor,
assetsPath: assetsPath,
adminPath: filepath.Join(assetsPath, "admin"),
defaultAvatars: defaultAvatars,
}, nil
}
func (m *Module) baseHandler(c *gin.Context) {
[chore] Global server configuration overhaul (#575) * move config flag names and usage to config package, rewrite config package to use global Configuration{} struct Signed-off-by: kim <grufwub@gmail.com> * improved code comment Signed-off-by: kim <grufwub@gmail.com> * linter Signed-off-by: kim <grufwub@gmail.com> * fix unmarshaling Signed-off-by: kim <grufwub@gmail.com> * remove kim's custom go compiler changes Signed-off-by: kim <grufwub@gmail.com> * generate setter and flag-name functions, implement these in codebase Signed-off-by: kim <grufwub@gmail.com> * update deps Signed-off-by: kim <grufwub@gmail.com> * small change Signed-off-by: kim <grufwub@gmail.com> * appease the linter... Signed-off-by: kim <grufwub@gmail.com> * move configuration into ConfigState structure, ensure reloading to/from viper settings to keep in sync Signed-off-by: kim <grufwub@gmail.com> * lint Signed-off-by: kim <grufwub@gmail.com> * update code comments Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * fix merge issue Signed-off-by: kim <grufwub@gmail.com> * improved version string (removes time + go version) Signed-off-by: kim <grufwub@gmail.com> * fix version string build to pass test script + consolidate logic in func Signed-off-by: kim <grufwub@gmail.com> * add license text, update config.Defaults comment Signed-off-by: kim <grufwub@gmail.com> * add license text to generated config helpers file Signed-off-by: kim <grufwub@gmail.com> * defer unlock on config.Set___(), to ensure unlocked on panic Signed-off-by: kim <grufwub@gmail.com> * make it more obvious which cmd flags are being attached Signed-off-by: kim <grufwub@gmail.com>
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host := config.GetHost()
instance, err := m.processor.InstanceGet(c.Request.Context(), host)
if err != nil {
api.ErrorHandler(c, gtserror.NewErrorInternalError(err), m.processor.InstanceGet)
return
}
c.HTML(http.StatusOK, "index.tmpl", gin.H{
"instance": instance,
})
}
// TODO: abstract the {admin, user}panel handlers in some way
func (m *Module) AdminPanelHandler(c *gin.Context) {
host := config.GetHost()
instance, err := m.processor.InstanceGet(c.Request.Context(), host)
if err != nil {
api.ErrorHandler(c, gtserror.NewErrorInternalError(err), m.processor.InstanceGet)
return
}
c.HTML(http.StatusOK, "frontend.tmpl", gin.H{
"instance": instance,
"stylesheets": []string{
"/assets/Fork-Awesome/css/fork-awesome.min.css",
"/assets/dist/panels-admin-style.css",
},
"javascript": []string{
"/assets/dist/bundle.js",
"/assets/dist/admin-panel.js",
},
})
}
func (m *Module) UserPanelHandler(c *gin.Context) {
host := config.GetHost()
instance, err := m.processor.InstanceGet(c.Request.Context(), host)
if err != nil {
api.ErrorHandler(c, gtserror.NewErrorInternalError(err), m.processor.InstanceGet)
return
}
c.HTML(http.StatusOK, "frontend.tmpl", gin.H{
"instance": instance,
"stylesheets": []string{
"/assets/Fork-Awesome/css/fork-awesome.min.css",
"/assets/dist/_colors.css",
"/assets/dist/base.css",
"/assets/dist/panels-user-style.css",
},
"javascript": []string{
"/assets/dist/bundle.js",
"/assets/dist/user-panel.js",
},
})
}
// Route satisfies the RESTAPIModule interface
func (m *Module) Route(s router.Router) error {
// serve static files from assets dir at /assets
s.AttachStaticFS("/assets", fileSystem{http.Dir(m.assetsPath)})
s.AttachHandler(http.MethodGet, "/admin", m.AdminPanelHandler)
// redirect /admin/ to /admin
s.AttachHandler(http.MethodGet, "/admin/", func(c *gin.Context) {
c.Redirect(http.StatusMovedPermanently, "/admin")
})
s.AttachHandler(http.MethodGet, "/user", m.UserPanelHandler)
// redirect /settings/ to /settings
s.AttachHandler(http.MethodGet, "/user/", func(c *gin.Context) {
c.Redirect(http.StatusMovedPermanently, "/user")
})
// serve front-page
s.AttachHandler(http.MethodGet, "/", m.baseHandler)
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// serve profile pages at /@username
s.AttachHandler(http.MethodGet, profilePath, m.profileGETHandler)
// serve statuses
s.AttachHandler(http.MethodGet, statusPath, m.threadGETHandler)
// serve email confirmation page at /confirm_email?token=whatever
s.AttachHandler(http.MethodGet, confirmEmailPath, m.confirmEmailGETHandler)
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// 404 handler
s.AttachNoRouteHandler(func(c *gin.Context) {
api.ErrorHandler(c, gtserror.NewErrorNotFound(errors.New(http.StatusText(http.StatusNotFound))), m.processor.InstanceGet)
})
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return nil
}