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	[feature] Allow users to set default interaction policies per status visibility (#3108)
* [feature] Allow users to set default interaction policies * use vars for default policies * avoid some code repetition * unfuck form binding * avoid bonkers loop * beep boop * put policyValsToAPIPolicyVals in separate function * don't bother with slices.Grow * oops
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								internal/api/client/interactionpolicies/updatedefaults.go
									
										
									
									
									
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								internal/api/client/interactionpolicies/updatedefaults.go
									
										
									
									
									
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							|  | @ -0,0 +1,334 @@ | |||
| // GoToSocial | ||||
| // Copyright (C) GoToSocial Authors admin@gotosocial.org | ||||
| // SPDX-License-Identifier: AGPL-3.0-or-later | ||||
| // | ||||
| // 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 interactionpolicies | ||||
| 
 | ||||
| import ( | ||||
| 	"fmt" | ||||
| 	"net/http" | ||||
| 
 | ||||
| 	"github.com/gin-gonic/gin" | ||||
| 	"github.com/gin-gonic/gin/binding" | ||||
| 	"github.com/go-playground/form/v4" | ||||
| 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" | ||||
| 	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util" | ||||
| 	"github.com/superseriousbusiness/gotosocial/internal/gtserror" | ||||
| 	"github.com/superseriousbusiness/gotosocial/internal/oauth" | ||||
| ) | ||||
| 
 | ||||
| // PoliciesDefaultsPATCHHandler swagger:operation PATCH /api/v1/interaction_policies/defaults policiesDefaultsUpdate | ||||
| // | ||||
| // Update default interaction policies per visibility level for new statuses created by you. | ||||
| // | ||||
| // If submitting using form data, use the following pattern: | ||||
| // | ||||
| // `VISIBILITY[INTERACTION_TYPE][CONDITION][INDEX]=Value` | ||||
| // | ||||
| // For example: `public[can_reply][always][0]=author` | ||||
| // | ||||
| // Using `curl` this might look something like: | ||||
| // | ||||
| // `curl -F 'public[can_reply][always][0]=author' -F 'public[can_reply][always][1]=followers'` | ||||
| // | ||||
| // The JSON equivalent would be: | ||||
| // | ||||
| // `curl -H 'Content-Type: application/json' -d '{"public":{"can_reply":{"always":["author","followers"]}}}'` | ||||
| // | ||||
| // Any visibility level left unspecified in the request body will be returned to the default. | ||||
| // | ||||
| // Ie., in the example above, "public" would be updated, but "unlisted", "private", and "direct" would be reset to defaults. | ||||
| // | ||||
| // The server will perform some normalization on submitted policies so that you can't submit totally invalid policies. | ||||
| // | ||||
| //	--- | ||||
| //	tags: | ||||
| //	- interaction_policies | ||||
| // | ||||
| //	consumes: | ||||
| //	- multipart/form-data | ||||
| //	- application/x-www-form-urlencoded | ||||
| //	- application/json | ||||
| // | ||||
| //	produces: | ||||
| //	- application/json | ||||
| // | ||||
| //	parameters: | ||||
| //	- | ||||
| //		name: public[can_favourite][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for public.can_favourite.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: public[can_favourite][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for public.can_favourite.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: public[can_reply][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for public.can_reply.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: public[can_reply][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for public.can_reply.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: public[can_reblog][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for public.can_reblog.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: public[can_reblog][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for public.can_reblog.with_approval. | ||||
| //		type: string | ||||
| // | ||||
| //	- | ||||
| //		name: unlisted[can_favourite][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for unlisted.can_favourite.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: unlisted[can_favourite][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for unlisted.can_favourite.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: unlisted[can_reply][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for unlisted.can_reply.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: unlisted[can_reply][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for unlisted.can_reply.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: unlisted[can_reblog][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for unlisted.can_reblog.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: unlisted[can_reblog][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for unlisted.can_reblog.with_approval. | ||||
| //		type: string | ||||
| // | ||||
| //	- | ||||
| //		name: private[can_favourite][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for private.can_favourite.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: private[can_favourite][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for private.can_favourite.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: private[can_reply][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for private.can_reply.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: private[can_reply][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for private.can_reply.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: private[can_reblog][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for private.can_reblog.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: private[can_reblog][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for private.can_reblog.with_approval. | ||||
| //		type: string | ||||
| // | ||||
| //	- | ||||
| //		name: direct[can_favourite][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for direct.can_favourite.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: direct[can_favourite][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for direct.can_favourite.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: direct[can_reply][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for direct.can_reply.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: direct[can_reply][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for direct.can_reply.with_approval. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: direct[can_reblog][always][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for direct.can_reblog.always. | ||||
| //		type: string | ||||
| //	- | ||||
| //		name: direct[can_reblog][with_approval][0] | ||||
| //		in: formData | ||||
| //		description: Nth entry for direct.can_reblog.with_approval. | ||||
| //		type: string | ||||
| // | ||||
| //	security: | ||||
| //	- OAuth2 Bearer: | ||||
| //		- write:accounts | ||||
| // | ||||
| //	responses: | ||||
| //		'200': | ||||
| //			description: Updated default policies object containing a policy for each status visibility. | ||||
| //			schema: | ||||
| //				"$ref": "#/definitions/defaultPolicies" | ||||
| //		'400': | ||||
| //			description: bad request | ||||
| //		'401': | ||||
| //			description: unauthorized | ||||
| //		'406': | ||||
| //			description: not acceptable | ||||
| //		'422': | ||||
| //			description: unprocessable | ||||
| //		'500': | ||||
| //			description: internal server error | ||||
| func (m *Module) PoliciesDefaultsPATCHHandler(c *gin.Context) { | ||||
| 	authed, err := oauth.Authed(c, true, true, true, true) | ||||
| 	if err != nil { | ||||
| 		apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGetV1) | ||||
| 		return | ||||
| 	} | ||||
| 
 | ||||
| 	if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil { | ||||
| 		apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGetV1) | ||||
| 		return | ||||
| 	} | ||||
| 
 | ||||
| 	form, err := parseUpdateAccountForm(c) | ||||
| 	if err != nil { | ||||
| 		apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1) | ||||
| 		return | ||||
| 	} | ||||
| 
 | ||||
| 	resp, errWithCode := m.processor.Account().DefaultInteractionPoliciesUpdate( | ||||
| 		c.Request.Context(), | ||||
| 		authed.Account, | ||||
| 		form, | ||||
| 	) | ||||
| 	if errWithCode != nil { | ||||
| 		apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1) | ||||
| 		return | ||||
| 	} | ||||
| 
 | ||||
| 	apiutil.JSON(c, http.StatusOK, resp) | ||||
| } | ||||
| 
 | ||||
| // intPolicyFormBinding satisfies gin's binding.Binding interface. | ||||
| // Should only be used specifically for multipart/form-data MIME type. | ||||
| type intPolicyFormBinding struct { | ||||
| 	visibility string | ||||
| } | ||||
| 
 | ||||
| func (i intPolicyFormBinding) Name() string { | ||||
| 	return i.visibility | ||||
| } | ||||
| 
 | ||||
| func (intPolicyFormBinding) Bind(req *http.Request, obj any) error { | ||||
| 	if err := req.ParseForm(); err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 
 | ||||
| 	// Change default namespace prefix and suffix to | ||||
| 	// allow correct parsing of the field attributes. | ||||
| 	decoder := form.NewDecoder() | ||||
| 	decoder.SetNamespacePrefix("[") | ||||
| 	decoder.SetNamespaceSuffix("]") | ||||
| 
 | ||||
| 	return decoder.Decode(obj, req.Form) | ||||
| } | ||||
| 
 | ||||
| // customBind does custom form binding for | ||||
| // each visibility in the form data. | ||||
| func customBind( | ||||
| 	c *gin.Context, | ||||
| 	form *apimodel.UpdateInteractionPoliciesRequest, | ||||
| ) error { | ||||
| 	for _, vis := range []string{ | ||||
| 		"Direct", | ||||
| 		"Private", | ||||
| 		"Unlisted", | ||||
| 		"Public", | ||||
| 	} { | ||||
| 		if err := c.ShouldBindWith( | ||||
| 			form, | ||||
| 			intPolicyFormBinding{ | ||||
| 				visibility: vis, | ||||
| 			}, | ||||
| 		); err != nil { | ||||
| 			return fmt.Errorf("custom form binding failed: %w", err) | ||||
| 		} | ||||
| 	} | ||||
| 
 | ||||
| 	return nil | ||||
| } | ||||
| 
 | ||||
| func parseUpdateAccountForm(c *gin.Context) (*apimodel.UpdateInteractionPoliciesRequest, error) { | ||||
| 	form := new(apimodel.UpdateInteractionPoliciesRequest) | ||||
| 
 | ||||
| 	switch ct := c.ContentType(); ct { | ||||
| 	case binding.MIMEJSON: | ||||
| 		// Just bind with default json binding. | ||||
| 		if err := c.ShouldBindWith(form, binding.JSON); err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 
 | ||||
| 	case binding.MIMEPOSTForm: | ||||
| 		// Bind with default form binding first. | ||||
| 		if err := c.ShouldBindWith(form, binding.FormPost); err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 
 | ||||
| 		// Now do custom binding. | ||||
| 		if err := customBind(c, form); err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 
 | ||||
| 	case binding.MIMEMultipartPOSTForm: | ||||
| 		// Bind with default form binding first. | ||||
| 		if err := c.ShouldBindWith(form, binding.FormMultipart); err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 
 | ||||
| 		// Now do custom binding. | ||||
| 		if err := customBind(c, form); err != nil { | ||||
| 			return nil, err | ||||
| 		} | ||||
| 
 | ||||
| 	default: | ||||
| 		err := fmt.Errorf( | ||||
| 			"content-type %s not supported for this endpoint; supported content-types are %s, %s, %s", | ||||
| 			ct, binding.MIMEJSON, binding.MIMEPOSTForm, binding.MIMEMultipartPOSTForm, | ||||
| 		) | ||||
| 		return nil, err | ||||
| 	} | ||||
| 
 | ||||
| 	return form, nil | ||||
| } | ||||
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