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feat(evidence): preview image and video evidence

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grayTerminal-sh 2026-07-22 18:47:38 +02:00
parent 205c65f275
commit f142de8663
5 changed files with 240 additions and 0 deletions
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4
include/views/main_window.h
View file

@ -411,6 +411,10 @@ void main_window_set_selected_evidence(
const EvidenceRecord *evidence_record
);
/** @brief Transmet au workspace un chemin absolu validé pour l'aperçu. */
void main_window_set_evidence_preview(MainWindow *main_window,
const char *file_path, const char *display_name);
/**
* @brief Affiche l'état de chargement du graphe.

9
include/widgets/workspace.h
View file

@ -165,6 +165,15 @@ void workspace_set_selected_evidence(
const EvidenceRecord *evidence_record
);
/**
* @brief Affiche l'aperçu local d'un fichier image ou vidéo.
*
* file_path doit être un chemin absolu déjà validé par l'application.
* Passer NULL libère l'aperçu courant.
*/
void workspace_set_evidence_preview(Workspace *workspace,
const char *file_path, const char *display_name);
/**
* @brief Sélectionne une entité dans le graphe affiché.
*

31
src/core/application.c
View file

@ -4404,6 +4404,13 @@ static void application_on_evidence_selected(
const char *original_name =
NULL;
const InvestigationProject *project = NULL;
const char *investigation_root = NULL;
const char *relative_path = NULL;
char *canonical_root = NULL;
char *candidate_path = NULL;
char *canonical_path = NULL;
char *status_message =
NULL;
@ -4579,6 +4586,27 @@ static void application_on_evidence_selected(
evidence_record
);
project = investigation_session_get_project(application->session);
investigation_root = project != NULL
? investigation_project_get_root_path(project) : NULL;
relative_path = evidence_record_get_relative_path(evidence_record);
if (investigation_root != NULL && relative_path != NULL)
{
canonical_root = g_canonicalize_filename(investigation_root, NULL);
candidate_path = g_build_filename(investigation_root,
relative_path, NULL);
canonical_path = g_canonicalize_filename(candidate_path, NULL);
if (canonical_root != NULL && canonical_path != NULL &&
g_str_has_prefix(canonical_path, canonical_root) &&
canonical_path[strlen(canonical_root)] == G_DIR_SEPARATOR &&
g_file_test(canonical_path, G_FILE_TEST_IS_REGULAR))
{
main_window_set_evidence_preview(application->main_window,
canonical_path,
evidence_record_get_original_name(evidence_record));
}
}
original_name =
evidence_record_get_original_name(
evidence_record
@ -4601,6 +4629,9 @@ static void application_on_evidence_selected(
g_free(
status_message
);
g_free(canonical_path);
g_free(candidate_path);
g_free(canonical_root);
evidence_record_free(
evidence_record

8
src/views/main_window.c
View file

@ -1727,6 +1727,14 @@ void main_window_set_selected_evidence(
);
}
void main_window_set_evidence_preview(MainWindow *main_window,
const char *file_path, const char *display_name)
{
if (main_window == NULL) return;
workspace_set_evidence_preview(main_window->workspace, file_path,
display_name);
}
void main_window_free(
MainWindow *main_window
)

188
src/widgets/workspace.c
View file

@ -90,6 +90,13 @@ struct Workspace
GtkWidget *verify_evidence_button;
GtkWidget *edit_evidence_button;
GtkWidget *analyze_eml_button;
GtkWidget *evidence_preview_stack;
GtkWidget *evidence_preview_status;
GtkWidget *evidence_preview_picture;
GtkWidget *evidence_preview_video;
GtkWidget *evidence_preview_expand_button;
char *evidence_preview_path;
gboolean evidence_preview_is_video;
char *selected_evidence_identifier;
@ -581,6 +588,79 @@ static const char *workspace_get_integrity_status_text(
}
}
/** @brief Affiche une erreur asynchrone produite par le moteur vidéo. */
static void workspace_on_video_error_changed(GObject *object,
GParamSpec *parameter, gpointer user_data)
{
Workspace *workspace = user_data;
const GError *error = NULL;
(void) parameter;
if (workspace == NULL || !GTK_IS_MEDIA_STREAM(object)) return;
error = gtk_media_stream_get_error(GTK_MEDIA_STREAM(object));
if (error == NULL) return;
gtk_label_set_text(GTK_LABEL(workspace->evidence_preview_status),
error->message != NULL ? error->message :
"Le moteur vidéo ne peut pas lire ce fichier.");
gtk_stack_set_visible_child_name(GTK_STACK(
workspace->evidence_preview_stack), "status");
gtk_widget_set_sensitive(workspace->evidence_preview_expand_button,
FALSE);
}
/** @brief Arrête et détache le média vidéo actuellement affiché. */
static void workspace_clear_evidence_preview(Workspace *workspace)
{
GtkMediaStream *stream = NULL;
if (workspace == NULL) return;
if (workspace->evidence_preview_video != NULL)
{
stream = gtk_video_get_media_stream(
GTK_VIDEO(workspace->evidence_preview_video));
if (stream != NULL)
{
g_signal_handlers_disconnect_by_data(stream, workspace);
gtk_media_stream_pause(stream);
}
gtk_video_set_media_stream(GTK_VIDEO(
workspace->evidence_preview_video), NULL);
}
if (workspace->evidence_preview_picture != NULL)
gtk_picture_set_paintable(GTK_PICTURE(
workspace->evidence_preview_picture), NULL);
g_clear_pointer(&workspace->evidence_preview_path, g_free);
workspace->evidence_preview_is_video = FALSE;
if (workspace->evidence_preview_expand_button != NULL)
gtk_widget_set_sensitive(workspace->evidence_preview_expand_button,
FALSE);
}
/** @brief Ouvre le média courant dans une fenêtre d'aperçu agrandie. */
static void workspace_on_expand_evidence_preview(GtkButton *button,
gpointer user_data)
{
Workspace *workspace = user_data;
GtkWindow *window = NULL;
GtkWidget *content = NULL;
(void) button;
if (workspace == NULL || workspace->evidence_preview_path == NULL) return;
window = GTK_WINDOW(gtk_window_new());
gtk_window_set_title(window, "Aperçu de la preuve");
gtk_window_set_default_size(window, 960, 720);
if (workspace->evidence_preview_is_video)
{
content = gtk_video_new_for_filename(workspace->evidence_preview_path);
gtk_video_set_autoplay(GTK_VIDEO(content), FALSE);
}
else
{
content = gtk_picture_new_for_filename(workspace->evidence_preview_path);
gtk_picture_set_can_shrink(GTK_PICTURE(content), TRUE);
gtk_picture_set_content_fit(GTK_PICTURE(content), GTK_CONTENT_FIT_CONTAIN);
}
gtk_window_set_child(window, content);
gtk_window_present(window);
}
/** @brief Convertit le statut d'une relation en texte utilisateur. */
static const char *workspace_get_relation_status_text(RelationStatus status)
{
@ -1209,6 +1289,38 @@ Workspace *workspace_new(void)
workspace->evidence_name_label
);
workspace->evidence_preview_stack = gtk_stack_new();
workspace->evidence_preview_status = gtk_label_new(
"Aucun aperçu disponible pour cette preuve.");
workspace->evidence_preview_picture = gtk_picture_new();
workspace->evidence_preview_video = gtk_video_new();
workspace->evidence_preview_expand_button =
gtk_button_new_with_label("Agrandir l’aperçu");
gtk_widget_set_size_request(workspace->evidence_preview_stack, -1, 360);
gtk_widget_set_hexpand(workspace->evidence_preview_stack, TRUE);
gtk_picture_set_can_shrink(GTK_PICTURE(
workspace->evidence_preview_picture), TRUE);
gtk_picture_set_content_fit(GTK_PICTURE(
workspace->evidence_preview_picture), GTK_CONTENT_FIT_CONTAIN);
gtk_video_set_autoplay(GTK_VIDEO(workspace->evidence_preview_video), FALSE);
gtk_stack_add_named(GTK_STACK(workspace->evidence_preview_stack),
workspace->evidence_preview_status, "status");
gtk_stack_add_named(GTK_STACK(workspace->evidence_preview_stack),
workspace->evidence_preview_picture, "image");
gtk_stack_add_named(GTK_STACK(workspace->evidence_preview_stack),
workspace->evidence_preview_video, "video");
gtk_stack_set_visible_child_name(GTK_STACK(
workspace->evidence_preview_stack), "status");
gtk_widget_set_halign(workspace->evidence_preview_expand_button,
GTK_ALIGN_START);
gtk_widget_set_sensitive(workspace->evidence_preview_expand_button, FALSE);
g_signal_connect(workspace->evidence_preview_expand_button, "clicked",
G_CALLBACK(workspace_on_expand_evidence_preview), workspace);
gtk_box_append(GTK_BOX(evidence_content),
workspace->evidence_preview_stack);
gtk_box_append(GTK_BOX(evidence_content),
workspace->evidence_preview_expand_button);
workspace->verify_evidence_button =
gtk_button_new_with_label(
"Vérifier l'intégrité"
@ -2339,6 +2451,11 @@ void workspace_set_selected_evidence(
return;
}
workspace_clear_evidence_preview(workspace);
if (workspace->evidence_preview_stack != NULL)
gtk_stack_set_visible_child_name(GTK_STACK(
workspace->evidence_preview_stack), "status");
g_clear_pointer(
&workspace->selected_evidence_identifier,
g_free
@ -2520,6 +2637,75 @@ void workspace_set_selected_evidence(
);
}
void workspace_set_evidence_preview(Workspace *workspace,
const char *file_path, const char *display_name)
{
GFile *file = NULL;
GFileInfo *info = NULL;
const char *content_type = NULL;
char *mime_type = NULL;
GtkMediaStream *stream = NULL;
GError *error = NULL;
if (workspace == NULL) return;
workspace_clear_evidence_preview(workspace);
if (file_path == NULL || file_path[0] == '\0')
{
gtk_label_set_text(GTK_LABEL(workspace->evidence_preview_status),
"Aucun aperçu disponible pour cette preuve.");
gtk_stack_set_visible_child_name(GTK_STACK(
workspace->evidence_preview_stack), "status");
return;
}
file = g_file_new_for_path(file_path);
info = g_file_query_info(file, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
G_FILE_QUERY_INFO_NONE, NULL, &error);
if (info != NULL) content_type = g_file_info_get_content_type(info);
if (content_type != NULL) mime_type = g_content_type_get_mime_type(
content_type);
if (mime_type != NULL && g_str_has_prefix(mime_type, "image/"))
{
gtk_picture_set_filename(GTK_PICTURE(
workspace->evidence_preview_picture), file_path);
gtk_stack_set_visible_child_name(GTK_STACK(
workspace->evidence_preview_stack), "image");
workspace->evidence_preview_is_video = FALSE;
}
else if (mime_type != NULL && g_str_has_prefix(mime_type, "video/"))
{
stream = gtk_media_file_new_for_filename(file_path);
g_signal_connect(stream, "notify::error",
G_CALLBACK(workspace_on_video_error_changed), workspace);
gtk_video_set_media_stream(GTK_VIDEO(
workspace->evidence_preview_video), stream);
g_object_unref(stream);
gtk_stack_set_visible_child_name(GTK_STACK(
workspace->evidence_preview_stack), "video");
workspace->evidence_preview_is_video = TRUE;
}
else
{
char *message = g_strdup_printf(
"Aperçu indisponible pour %s%s%s.",
display_name != NULL ? display_name : "ce fichier",
error != NULL ? " : " : "",
error != NULL ? error->message : "format non pris en charge");
gtk_label_set_text(GTK_LABEL(workspace->evidence_preview_status),
message);
gtk_stack_set_visible_child_name(GTK_STACK(
workspace->evidence_preview_stack), "status");
g_free(message);
goto cleanup;
}
workspace->evidence_preview_path = g_strdup(file_path);
gtk_widget_set_sensitive(workspace->evidence_preview_expand_button,
workspace->evidence_preview_path != NULL);
cleanup:
g_clear_error(&error);
g_free(mime_type);
g_clear_object(&info);
g_clear_object(&file);
}
gboolean workspace_select_graph_entity(
Workspace *workspace,
const char *entity_identifier
@ -3049,6 +3235,8 @@ void workspace_free(Workspace *workspace)
return;
}
workspace_clear_evidence_preview(workspace);
g_clear_pointer(
&workspace->osint_selection_context,
osint_selection_context_free