mirror of
https://github.com/superseriousbusiness/gotosocial.git
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40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package middleware
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import (
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"errors"
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"net/http"
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"github.com/gin-gonic/gin"
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)
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// UserAgent returns a gin middleware which aborts requests with
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// empty user agent strings, returning code 418 - I'm a teapot.
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func UserAgent() gin.HandlerFunc {
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// todo: make this configurable
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return func(c *gin.Context) {
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if ua := c.Request.UserAgent(); ua == "" {
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code := http.StatusTeapot
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err := errors.New(http.StatusText(code) + ": no user-agent sent with request")
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c.AbortWithStatusJSON(code, gin.H{"error": err.Error()})
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}
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}
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}
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